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Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Jun. 30, 2019	Aug. 01, 2019
Entity Information [Line Items]
Entity Registrant Name	BEL FUSE INC /NJ
Entity Central Index Key	0000729580
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Entity Address, State or Province	NJ
Class A Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		2,174,912
Class B Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		10,141,602

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 58,395	$ 53,911
Accounts receivable, net of allowance for doubtful accounts of $1,694 and $1,638, respectively	84,248	91,939
Inventories	118,209	120,068
Unbilled receivables	11,470	15,799
Other current assets	9,090	8,792
Total current assets	281,412	290,509
Property, plant and equipment, net	42,344	43,932
Right-of-use assets	17,885	0
Intangible assets, net	59,476	62,689
Goodwill	20,017	19,817
Deferred income taxes	1,194	496
Other assets	27,347	26,081
Total assets	449,675	443,524
Current Liabilities:
Accounts payable	42,764	56,171
Accrued expenses	30,092	32,290
Current portion of long-term debt	3,997	2,508
Operating lease liability, current	6,238	0
Other current liabilities	4,060	15,061
Total current liabilities	87,151	106,030
Long-term Liabilities:
Long-term debt	108,960	111,705
Operating lease liability, long-term	12,121	0
Liability for uncertain tax positions	28,379	27,553
Minimum pension obligation and unfunded pension liability	19,126	18,683
Deferred income taxes	1,061	1,161
Other liabilities	12,601	1,922
Total liabilities	269,399	267,054
Commitments and contingencies
Stockholders' Equity:
Preferred stock, no par value, 1,000,000 shares authorized; none issued	0	0
Additional paid-in capital	32,983	31,387
Retained earnings	171,583	168,695
Accumulated other comprehensive loss	(25,521)	(24,838)
Total stockholders' equity	180,276	176,470
Total liabilities and stockholders' equity	449,675	443,524
Class A Common Stock [Member]
Stockholders' Equity:
Common Stock	217	217
Class B Common Stock [Member]
Stockholders' Equity:
Common Stock	$ 1,014	$ 1,009

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current Assets
Accounts receivable, allowance for doubtful accounts	$ 1,694	$ 1,638
Stockholders' Equity:
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	0	0
Class A Common Stock [Member]
Stockholders' Equity:
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized (in shares)	10,000,000	10,000,000
Common stock, outstanding (in shares)	2,174,912	2,174,912
Common stock, treasury shares (in shares)	1,072,769	1,072,769
Class B Common Stock [Member]
Stockholders' Equity:
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized (in shares)	30,000,000	30,000,000
Common stock, outstanding (in shares)	10,141,602	10,092,352
Common stock, treasury shares (in shares)	3,218,307	3,218,307

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net sales	$ 127,416	$ 140,710	$ 252,805	$ 258,961
Cost of sales	107,532	111,696	209,361	208,814
Gross profit	19,884	29,014	43,444	50,147
Selling, general and administrative expenses	18,764	18,306	38,564	38,998
Gain on sale of property	(4,257)	0	(4,257)	0
Restructuring charges	424	41	1,370	45
Income from operations	4,953	10,667	7,767	11,104
Interest expense	(1,381)	(1,349)	(2,820)	(2,527)
Interest income and other, net	(184)	(285)	(389)	(521)
Earnings before provision for income taxes	3,388	9,033	4,558	8,056
Provision for income taxes	421	2,399	460	2,724
Net earnings available to common stockholders	2,967	6,634	4,098	5,332
Class A Common Share [Member]
Net earnings available to common stockholders	$ 494	$ 1,141	$ 673	$ 901
Net earnings per common share:
Common share - basic and diluted (in dollars per share)	$ 0.23	$ 0.52	$ 0.31	$ 0.41
Weighted-average number of shares outstanding:
Common share - basic and diluted (in shares)	2,175	2,175	2,175	2,175
Class B Common Share [Member]
Net earnings available to common stockholders	$ 2,473	$ 5,493	$ 3,425	$ 4,431
Net earnings per common share:
Common share - basic and diluted (in dollars per share)	$ 0.24	$ 0.56	$ 0.34	$ 0.45
Weighted-average number of shares outstanding:
Common share - basic and diluted (in shares)	10,112	9,844	10,100	9,850

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) [Abstract]
Net earnings available to common stockholders	$ 2,967	$ 6,634	$ 4,098	$ 5,332
Other comprehensive income (loss):
Currency translation adjustment, net of taxes	(834)	(7,448)	(294)	(3,431)
Unrealized losses on marketable securities arising during the period, net of taxes	0	0	0	(31)
Change in unfunded SERP liability, net of taxes	37	85	74	171
Other comprehensive loss	(797)	(7,363)	(220)	(3,291)
Comprehensive income (loss)	$ 2,170	$ (729)	$ 3,878	$ 2,041

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other comprehensive income (loss):
Currency translation adjustment, tax	$ 16	$ 37	$ (1)	$ 12
Unrealized loss on marketable securities arising during the period, tax	0	0	0	(20)
Change in unfunded SERP liability, tax	$ 11	$ 25	$ 22	$ 51

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Class A Common Stock [Member]	Class B Common Stock [Member]	Retained Earnings [Member]	Retained Earnings [Member] Class A Common Stock [Member]	Retained Earnings [Member] Class B Common Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Common Stock [Member]	Common Stock [Member] Class A Common Stock [Member]	Common Stock [Member] Class B Common Stock [Member]	Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of adoption of ASU \| ASU 2014-09 [Member]	$ 3,497			$ 3,497
Balance at beginning of period at Dec. 31, 2017	157,960			147,807			$ (19,625)		$ 217	$ 986	$ 28,575
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	5,332	$ 901	$ 4,431	5,332				$ 0
Dividends declared		(261)	(1,390)		$ (261)	$ (1,390)
Forfeiture of restricted common stock	0									(2)	2
Foreign currency translation adjustment, net of taxes	(3,431)						(3,431)
Unrealized holding losses on marketable securities arising during the year, net of taxes	(31)						(31)
Stock-based compensation expense	1,450										1,450
Change in unfunded SERP liability, net of taxes	171						171
Balance at end of period at Jun. 30, 2018	163,297			154,985			(22,916)		217	984	30,027
Balance at beginning of period at Mar. 31, 2018	164,175			149,171			(15,553)		217	985	29,355
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	6,634	1,141	5,493	6,634				0
Dividends declared		(131)	(689)		(131)	(689)
Forfeiture of restricted common stock	0									(1)	1
Foreign currency translation adjustment, net of taxes	(7,448)						(7,448)
Unrealized holding losses on marketable securities arising during the year, net of taxes	0
Stock-based compensation expense	671										671
Change in unfunded SERP liability, net of taxes	85						85
Balance at end of period at Jun. 30, 2018	163,297			154,985			(22,916)		217	984	30,027
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of adoption of ASU							(463)
Effect of adoption of ASU \| ASU 2018-02 [Member]	0			463
Balance at beginning of period at Dec. 31, 2018	176,470			168,695			(24,838)		217	1,009	31,387
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	4,098	673	3,425	4,098				0
Dividends declared		(261)	(1,412)		(261)	(1,412)
Issuance of restricted common stock	0									7	(7)
Forfeiture of restricted common stock	0									(2)	2
Foreign currency translation adjustment, net of taxes	(294)						(294)
Unrealized holding losses on marketable securities arising during the year, net of taxes	0
Stock-based compensation expense	1,601										1,601
Change in unfunded SERP liability, net of taxes	74						74
Balance at end of period at Jun. 30, 2019	180,276			171,583			(25,521)		217	1,014	32,983
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of adoption of ASU \| ASU 2018-02 [Member]				463			(463)
Balance at beginning of period at Mar. 31, 2019	178,153			169,451			(24,724)		217	1,008	32,201
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	2,967	494	2,473	2,967				$ 0
Dividends declared		$ (131)	$ (704)		$ (131)	$ (704)
Issuance of restricted common stock	0									7	(7)
Forfeiture of restricted common stock	0									(1)	1
Foreign currency translation adjustment, net of taxes	(834)						(834)
Unrealized holding losses on marketable securities arising during the year, net of taxes	0
Stock-based compensation expense	788										788
Change in unfunded SERP liability, net of taxes	37						37
Balance at end of period at Jun. 30, 2019	$ 180,276			$ 171,583			(25,521)		$ 217	$ 1,014	$ 32,983
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of adoption of ASU \| ASU 2018-02 [Member]							$ (463)

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustment, tax expense	$ 16	$ 37	$ (1)	$ 12
Unrealized holding losses on marketable securities arising during the period, tax	0	0	0	20
Change in unfunded SERP liability, tax	$ (11)	$ (25)	$ (22)	$ (51)
Class A Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared (in dollars per share)	$ 0.06	$ 0.06	$ 0.12	$ 0.12
Class B Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared (in dollars per share)	$ 0.07	$ 0.07	$ 0.14	$ 0.14

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net earnings	$ 4,098	$ 5,332
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	8,216	9,320
Stock-based compensation	1,601	1,450
Amortization of deferred financing costs	232	294
Deferred income taxes	(1,002)	1,780
Net unrealized losses on foreign currency revaluation	123	(871)
Gain on sale of property	(4,257)	0
Other, net	1,316	613
Changes in operating assets and liabilities:
Accounts receivable, net	7,734	(10,541)
Unbilled receivables	4,329	(1,051)
Inventories	1,799	(10,629)
Account payable	(13,350)	12,082
Accrued expenses	(2,052)	(1,251)
Other operating assets/liabilities, net	(1,032)	(5,286)
Net cash provided by operating activities	7,755	1,242
Cash flows from investing activities:
Purchases of property, plant and equipment	(5,329)	(5,870)
Proceeds from disposal/sale of property, plant and equipment	5,784	53
Net cash provided by (used in) investing activities	455	(5,817)
Cash flows from financing activities:
Dividends paid to common stockholders	(1,600)	(1,589)
Borrowings under revolving credit line	12,000	0
Repayments of revolving credit line	(12,000)	0
Repayments of long-term debt	(1,487)	(7,525)
Net cash used in financing activities	(3,087)	(9,114)
Effect of exchange rate changes on cash and cash equivalents	(639)	65
Net increase (decrease) in cash and cash equivalents	4,484	(13,624)
Cash and cash equivalents - beginning of period	53,911	69,354
Cash and cash equivalents - end of period	58,395	55,730
Cash paid during the period for:
Income taxes, net of refunds received	2,805	5,073
Interest payment	$ 2,533	$ 2,260

BASIS OF PRESENTATION AND ACCOUNTING POLICIES

6 Months Ended

Jun. 30, 2019

BASIS OF PRESENTATION AND ACCOUNTING POLICIES [Abstract]

BASIS OF PRESENTATION AND ACCOUNTING POLICIES

1.	BASIS OF PRESENTATION AND ACCOUNTING POLICIES

The condensed consolidated balance sheets, statements of operations, comprehensive income (loss), stockholders’ equity and cash flows for the periods presented herein have been prepared by the Company and are unaudited. In the opinion of management, all adjustments (consisting solely of normal recurring adjustments) necessary to present fairly the consolidated financial position, results of operations and cash flows for all periods presented have been made. The results for the three and six months ended June 30, 2019 are not necessarily indicative of the results to be expected for the full year. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and footnotes thereto included in the Bel Fuse Annual Report on Form 10-K for the year ended December 31, 2018.

Certain information and footnote disclosures required under accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted from the following condensed consolidated financial statements pursuant to the rules and regulations, including the interim reporting requirements, of the U.S. Securities and Exchange Commission (“SEC”). The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts and the disclosure of contingent amounts in our condensed consolidated financial statements and accompanying notes. Actual results could differ from these estimates.

The Company’s significant accounting policies are summarized in Note 1 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2018. There were no significant changes to these accounting policies during the six months ended June 30, 2019, except as discussed in “Recently Adopted Accounting Standards” below.

All amounts included in the tables to these notes to condensed consolidated financial statements, except per share amounts, are in thousands.

Recently Adopted Accounting Standards

In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842) (“ASU 2016-02”), to provide a new comprehensive model for lease accounting. Under this guidance, lessees and lessors should apply a “right-of-use” model in accounting for all leases (including subleases) and eliminate the concept of operating leases and off-balance sheet leases. Recognition, measurement and presentation of expenses will depend on classification as a finance or operating lease. Similar modifications have been made to lessor accounting in-line with revenue recognition guidance. This guidance was effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. The amendments also require certain quantitative and qualitative disclosures about leasing arrangements.

The Company adopted ASU 2016-02 as amended effective January 1, 2019 using the modified retrospective approach. In connection with the adoption, we elected to utilize the Comparatives Under 840 Option whereby the Company will continue to present prior period financial statements and disclosures under ASC 840. In addition, we elected the transition package of three practical expedients permitted within the standard, which eliminates the requirements to reassess prior conclusions about lease identification, lease classification and initial direct costs. Further, we elected a short-term lease exception policy, permitting us to not apply the recognition requirements of this standard to short-term leases (i.e. leases with terms of 12 months or less) and an accounting policy to account for lease and non-lease components as a single component for certain classes of assets. We implemented a new lease system to facilitate the requirements of the new standard and completed the necessary changes to our accounting policies, processes, disclosures and internal control over financial reporting.

Adoption of the new standard resulted in the recording of right-of-use assets in the amount of $20.7 million and lease liabilities related to our operating leases in the amount of $21.0 million on our consolidated balance sheet as of January 1, 2019. The standard did not materially affect the Company’s consolidated net earnings or have any impact on cash flows. See Note 12, Leases, for Topic 842 disclosures in connection with the adoption of ASU 2016-02.

In February 2018, the FASB issued ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. This guidance allows a reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from the U.S. Tax Cuts and Jobs Act, which was enacted on December 22, 2017. This guidance is effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years and should be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the U.S. federal corporate income tax rate in the U.S. Tax Cuts and Jobs Act is recognized. This guidance was adopted by the Company effective January 1, 2019. In accordance with this guidance, the Company reclassified $0.5 million of stranded tax effects from accumulated other comprehensive income to retained earnings within the equity section of the condensed consolidated balance sheet as of January 1, 2019. The adoption of this guidance did not have a material impact on the Company’s condensed consolidated financial statements.

In May 2018, the FASB issued ASU 2018-07, Compensation – Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting, which simplifies the accounting for share-based payments granted to nonemployees for goods and services. This guidance will better align the treatment of share-based payments to nonemployees with the requirements for such share-based payments granted to employees. This guidance is effective for all public entities for fiscal years beginning after December 15, 2018, including interim periods within that year. This guidance was adopted by the Company effective January 1, 2019 and did not have a material impact on the Company’s condensed consolidated financial statements.

Accounting Standards Issued But Not Yet Adopted

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”). The new guidance will broaden the information that an entity must consider in developing its expected credit loss estimates related to its financial instruments and adds to U.S. GAAP an impairment model that is based on expected losses rather than incurred losses. The amendment is currently effective for public entities for annual reporting periods beginning after December 15, 2019, with early adoption permitted. Management is currently assessing the impact of ASU 2016-13, but it is not expected to have a material impact on the Company’s condensed consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment (“ASU 2017-04”). ASU 2017-04 simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Early adoption is permitted for interim and annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company is required to adopt ASU 2017-04 for its annual or any interim goodwill impairment tests for annual periods beginning after December 15, 2019, and the guidance is to be applied on a prospective basis.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement. The updated guidance improves the disclosure requirements on fair value measurements. The updated guidance is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. Early adoption is permitted for any removed or modified disclosures. The Company is currently assessing the timing and impact of adopting the updated provisions.

In August 2018, the FASB issued ASU 2018-14, Compensation-Retirement Benefits-Defined Benefit Plans-General (Subtopic 715-20): Disclosure Framework – Changes to the Disclosure Requirements for Defined Benefit Plans (“ASU 2018-14”). This guidance removes certain disclosures that are not considered cost beneficial, clarifies certain required disclosures and added additional disclosures. The standard is effective for fiscal years ending after December 15, 2020. The amendments in ASU 2018-14 would need to be applied on a retrospective basis. The Company is currently assessing the impact the new guidance will have on its disclosures.

In August 2018, the FASB issued ASU 2018-15, Intangibles – Goodwill and Other-Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Cost. This guidance aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. This guidance is effective for interim and annual reporting periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impacts that adoption of this ASU will have on its consolidated financial statements.

REVENUE

6 Months Ended

Jun. 30, 2019

REVENUE [Abstract]

REVENUE

The following table provides information about disaggregated revenue by product group and sales channel, and includes a reconciliation of the disaggregated revenue to our reportable segments:

	Three Months Ended June 30, 2019								Six Months Ended June 30, 2019
	North								North
	America		Asia		Europe		Consolidated		America		Asia		Europe		Consolidated

By Product Group:
Connectivity solutions	$	31,297	$	3,027	$	8,212	$	42,536	$	63,418	$	6,502	$	16,977	$	86,897
Magnetic solutions		9,638		29,168		2,046		40,852		18,583		56,258		4,267		79,108
Power solutions and protection		26,131		7,129		10,768		44,028		49,652		13,841		23,307		86,800
	$	67,066	$	39,324	$	21,026	$	127,416	$	131,653	$	76,601	$	44,551	$	252,805

By Sales Channel:
Direct to customer	$	45,442	$	32,707	$	13,293	$	91,442	$	89,323	$	63,835	$	29,506	$	182,664
Through distribution		21,624		6,617		7,733		35,974		42,330		12,766		15,045		70,141
	$	67,066	$	39,324	$	21,026	$	127,416	$	131,653	$	76,601	$	44,551	$	252,805


	Three Months Ended June 30, 2018								Six Months Ended June 30, 2018
	North								North
	America		Asia		Europe		Consolidated		America		Asia		Europe		Consolidated

By Product Group:
Connectivity solutions	$	34,834	$	4,820	$	9,274	$	48,928	$	65,878	$	8,241	$	17,727	$	91,846
Magnetic solutions		10,158		32,844		2,546		45,548		18,209		60,669		4,898		83,776
Power solutions and protection		26,248		8,250		11,736		46,234		46,609		15,625		21,105		83,339
	$	71,240	$	45,914	$	23,556	$	140,710	$	130,696	$	84,535	$	43,730	$	258,961

By Sales Channel:
Direct to customer	$	44,055	$	39,402	$	15,990	$	99,447	$	81,951	$	72,330	$	30,183	$	184,464
Through distribution		27,185		6,512		7,566		41,263		48,745		12,205		13,547		74,497
	$	71,240	$	45,914	$	23,556	$	140,710	$	130,696	$	84,535	$	43,730	$	258,961

The balances of the Company’s contract assets and contract liabilities at June 30, 2019 and December 31, 2018 are as follows:

	June 30,		December 31,
	2019		2018

Contract assets - current (unbilled receivable)	$	11,470	$	15,799
Contract liabilities - current (deferred revenue)	$	1,763	$	1,036

The change in balance of our unbilled receivables from December 31, 2018 to June 30, 2019 primarily relates to a timing difference between the Company’s performance (i.e. when our product is shipped to a customer-controlled hub) and the point at which the Company can invoice the customer per the terms of the customer contract (i.e. when the customer pulls our product from the customer-controlled hub).

The aggregate amount of transaction price allocated to remaining performance obligations that have not been satisfied as of June 30, 2019 related to contracts that exceed one year in duration amounted to $14.3 million, with expected contract expiration dates that range from 2020 - 2025. It is expected that 21% of this aggregate amount will be recognized in 2020, 54% will be recognized in 2021 and the remainder will be recognized in years beyond 2021.

EARNINGS PER SHARE

6 Months Ended

Jun. 30, 2019

EARNINGS PER SHARE [Abstract]

EARNINGS PER SHARE

3.	EARNINGS PER SHARE

The following table sets forth the calculation of basic and diluted net earnings per common share under the two-class method for the three and six months ended June 30, 2019 and 2018:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018

Numerator:
Net earnings	$	2,967	$	6,634	$	4,098	$	5,332
Less dividends declared:
Class A		131		131		261		261
Class B		704		689		1,412		1,390
Undistributed earnings	$	2,132	$	5,814	$	2,425	$	3,681

Undistributed earnings allocation - basic and diluted:
Class A undistributed earnings	$	363	$	1,010	$	412	$	640
Class B undistributed earnings		1,769		4,804		2,013		3,041
Total undistributed earnings	$	2,132	$	5,814	$	2,425	$	3,681

Net earnings allocation - basic and diluted:
Class A net earnings	$	494	$	1,141	$	673	$	901
Class B net earnings		2,473		5,493		3,425		4,431
Net earnings	$	2,967	$	6,634	$	4,098	$	5,332

Denominator:
Weighted-average shares outstanding:
Class A - basic and diluted		2,175		2,175		2,175		2,175
Class B - basic and diluted		10,112		9,844		10,100		9,850

Net earnings per share:
Class A - basic and diluted	$	0.23	$	0.52	$	0.31	$	0.41
Class B - basic and diluted	$	0.24	$	0.56	$	0.34	$	0.45

FAIR VALUE MEASUREMENTS	6 Months Ended
FAIR VALUE MEASUREMENTS	Jun. 30, 2019
FAIR VALUE MEASUREMENTS [Abstract]
FAIR VALUE MEASUREMENTS	4. FAIR VALUE MEASUREMENTS Fair value is defined as an exit price, representing the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants based upon the best use of the asset or liability at the measurement date. Entities are required to use a fair value hierarchy which maximizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. There are three levels of inputs that may be used to measure fair value: Level 1 – Observable inputs such as quoted market prices in active markets; Level 2 – Inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3 – Unobservable inputs about which little or no market data exists, therefore requiring an entity to develop its own assumptions. As of June 30, 2019 and December 31, 2018, our available-for-sale securities primarily consisted of investments held in a rabbi trust which are intended to fund the Company’s Supplemental Executive Retirement Plan (“SERP”) obligations. These securities are measured at fair value using quoted prices in active markets for identical assets (Level 1) inputs and amounted to $1.3 million at June 30, 2019 and $1.4 million at December 31, 2018. The Company does not have any financial assets measured at fair value on a recurring basis categorized as Level 3, and there were no transfers in or out of Level 1, Level 2 or Level 3 during the six months ended June 30, 2019 or June 30, 2018. There were no changes to the Company’s valuation techniques used to measure asset fair values on a recurring or nonrecurring basis during the six months ended June 30, 2019 or June 30, 2018. There were no financial assets accounted for at fair value on a nonrecurring basis as of June 30, 2019 or December 31, 2018. The Company has other financial instruments, such as cash and cash equivalents, accounts receivable, restricted cash, accounts payable and accrued expenses, which are not measured at fair value on a recurring basis but are recorded at amounts that approximate fair value due to their liquid or short-term nature. The fair value of the Company’s long-term debt is estimated using a discounted cash flow method based on interest rates that are currently available for debt issuances with similar terms and maturities. At June 30, 2019 and December 31, 2018, the estimated fair value of total debt was $118.5 million and $117.9 million, respectively, compared to a carrying amount of $113.0 million and $114.2 million, respectively. The Company did not have any other financial liabilities within the scope of the fair value disclosure requirements as of June 30, 2019. Nonfinancial assets and liabilities, such as goodwill, indefinite-lived intangible assets and long-lived assets, are accounted for at fair value on a nonrecurring basis. These items are tested for impairment upon the occurrence of a triggering event or in the case of goodwill, on at least an annual basis. There were no triggering events that occurred during the six months ended June 30, 2019 that would warrant interim impairment testing.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

INVENTORIES

6 Months Ended

Jun. 30, 2019

INVENTORIES [Abstract]

INVENTORIES

5. INVENTORIES

The components of inventories are as follows:

	June 30,		December 31,
	2019		2018
Raw materials	$	53,251	$	63,348
Work in progress		28,548		21,441
Finished goods		36,410		35,279
Inventories	$	118,209	$	120,068

PROPERTY, PLANT AND EQUIPMENT

6 Months Ended

Jun. 30, 2019

PROPERTY, PLANT AND EQUIPMENT [Abstract]

PROPERTY, PLANT AND EQUIPMENT

6.	PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consist of the following:

	June 30,			December 31,
	2019			2018
Land	$	1,433		$	2,251
Buildings and improvements		29,319			30,119
Machinery and equipment		129,386			126,747
Construction in progress		5,516			4,687
		165,654			163,804
Accumulated depreciation		(123,310	)		(119,872	)
Property, plant and equipment, net	$	42,344		$	43,932

Depreciation expense for the three months ended June 30, 2019 and 2018 was $2.5 million and $2.9 million, respectively. Depreciation expense for the six months ended June 30, 2019 and 2018 was $5.0 million and $6.1 million, respectively. Depreciation expense related to our manufacturing facilities and equipment is included in cost of sales and depreciation expense associated with administrative facilities and office equipment is included in selling, general and administrative expense within the accompanying condensed consolidated statements of operations.

During the first quarter of 2019, the Company finalized its plans to transition its manufacturing and warehousing operations from its Inwood, New York facility to Bel’s existing facilities in Glen Rock, Pennsylvania and the Dominican Republic. In connection with this transition, the Company had classified $1.5 million of property, plant and equipment as held for sale on its condensed consolidated balance sheet at March 31, 2019. The sale of the Inwood, New York property was completed during the second quarter of 2019, resulting in net proceeds of $5.8 million. The resulting gain on sale of $4.3 million (pre-tax) was recorded in the accompanying condensed consolidated statements of operations for the three and six months ended June 30, 2019.

ACCRUED EXPENSES

6 Months Ended

Jun. 30, 2019

ACCRUED EXPENSES [Abstract]

ACCRUED EXPENSES

7.	ACCRUED EXPENSES

Accrued expenses consist of the following:

	June 30,		December 31,
	2019		2018
Sales commissions	$	2,628	$	2,609
Subcontracting labor		1,276		1,550
Salaries, bonuses and related benefits		14,918		18,275
Warranty accrual		1,329		1,078
Other		9,941		8,778
	$	30,092	$	32,290

The change in warranty accrual during the six months ended June 30, 2019 primarily related to repair costs incurred and adjustments to pre-existing warranties. There were no new material warranty charges incurred during the six months ended June 30, 2019.

Restructuring Activities

Included within other accrued expenses in the table above are costs accrued related to the Company’s restructuring activities. Activity and liability balances related to restructuring costs for the six months ended June 30, 2019 are as follows:

			Six Months Ended
			June 30, 2019
	Liability at				Cash Payments			Liability at
	December 31,		New		and Other			June 30,
	2018		Charges		Settlements			2019
Severance costs	$	-	$	311	$	(244	)	$	67
Other restructuring costs		-		809		(107	)		702
Total	$	-	$	1,120	$	(351	)	$	769

During the six months ended June 30, 2019, the Company’s restructuring charges included $0.9 million of costs associated with the Company’s decision to transition manufacturing and warehousing operations from our Inwood, New York facility to other existing Bel facilities. The balance of the restructuring charges related to the realignment of our R&D resources dedicated to our Power Solutions and Protection group and other restructuring activities in Asia.

DEBT

6 Months Ended

Jun. 30, 2019

DEBT [Abstract]

DEBT

The Company has a Credit and Security Agreement with KeyBank National Association (as amended, the “CSA”). The CSA consists of (i) a term loan, with outstanding borrowings of $114.5 million and $116.0 million at June 30, 2019 and December 31, 2018, respectively and (ii) a $75 million revolving credit facility (“Revolver”), with no outstanding borrowings at June 30, 2019 or December 31, 2018. The CSA has a maturity date of December 11, 2022. At June 30, 2019 and December 31, 2018, the carrying value of the debt on the condensed consolidated balance sheet is reflected net of $1.5 million and $1.8 million, respectively, of deferred financing costs. During the six months ended June 30, 2019, the Company borrowed $12.0 million from its revolver, all of which was repaid by June 30, 2019.

The weighted-average interest rate in effect was 4.19% at June 30, 2019 and 4.31% at December 31, 2018 and consisted of LIBOR plus the Company’s credit spread, as determined per the terms of the CSA. The Company incurred $1.4 million and $1.3 million of interest expense during the three months ended June 30, 2019 and June 30, 2018, respectively, and $2.8 million and $2.5 million of interest expense during the six months ended June 30, 2019 and June 30, 2018, respectively.

The CSA contains customary representations and warranties, covenants and events of default and financial covenants that measure (i) the ratio of the Company's total funded indebtedness, on a consolidated basis, to the amount of the Company’s consolidated EBITDA, as defined, (“Leverage Ratio”) and (ii) the ratio of the amount of the Company’s consolidated EBITDA to the Company’s consolidated fixed charges. If an event of default occurs, the lenders under the CSA would be entitled to take various actions, including the acceleration of amounts due thereunder and all actions permitted to be taken by a secured creditor. At June 30, 2019, the Company was in compliance with its debt covenants, including its most restrictive covenant, the Fixed Charge Coverage Ratio.

INCOME TAXES	6 Months Ended
INCOME TAXES	Jun. 30, 2019
INCOME TAXES [Abstract]
INCOME TAXES	9. INCOME TAXES The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction and various states and foreign jurisdictions. The Company is no longer subject to U.S. federal examinations by tax authorities for years before 2015 and for state examinations before 2012. Regarding foreign subsidiaries, the Company is no longer subject to examination by tax authorities for years before 2008 in Asia and generally 2011 in Europe. The Company is currently under examination by the taxing authorities in Slovakia for the tax year 2014. As a result of the expiration of the statutes of limitations for specific jurisdictions, it is reasonably possible that the related unrecognized benefits for tax positions taken regarding previously filed tax returns may change materially from those recorded as liabilities for uncertain tax positions in the Company’s consolidated financial statements at June 30, 2019. The Company’s liabilities for uncertain tax positions totaled $28.5 million and $28.9 million at June 30, 2019 and December 31, 2018, respectively, of which $0.1 million and $1.4 million is included in other current liabilities at June 30, 2019 and December 31, 2018, respectively. These amounts, if recognized, would reduce the Company’s effective tax rate. As of June 30, 2019, approximately $0.1 million of the Company’s liabilities for uncertain tax positions are expected to be resolved during 2019 by way of expiration of the related statute of limitations. The Company’s policy is to recognize interest and penalties related to uncertain tax positions as a component of the current provision for income taxes. During the six months ended June 30, 2019 and 2018, the Company recognized $0.3 million and $0.5 million, respectively, in interest and penalties in the condensed consolidated statements of operations. During the six months ended June 30, 2019 and 2018, the Company recognized a benefit of $0.7 million and a benefit of $0.4 million, respectively, for the reversal of such interest and penalties, relating to the settlement of the liability for uncertain tax positions. The Company has approximately $4.5 million and $3.8 million accrued for the payment of interest and penalties at June 30, 2019 and December 31, 2018, respectively, which is included in both income taxes payable and liability for uncertain tax positions in the condensed consolidated balance sheets. The Company continues to monitor the impacts of the U.S. tax reform and supplementary guidance as it becomes available. At December 31, 2018, the remaining balance of the deemed repatriation tax was included in other current liabilities on the Company’s condensed consolidated balance sheet. At June 30, 2019, the majority of the deemed repatriation tax is included in other long-term liabilities on the Company's condensed consolidated balance sheet due to clarification of an Internal Revenue Service notice received in December 2018.

RETIREMENT FUND AND PROFIT SHARING PLAN

6 Months Ended

Jun. 30, 2019

RETIREMENT FUND AND PROFIT SHARING PLAN [Abstract]

RETIREMENT FUND AND PROFIT SHARING PLAN

10. RETIREMENT FUND AND PROFIT SHARING PLAN

The Company maintains the Bel Fuse Inc. Employees’ Savings Plan, a defined contribution plan that is intended to meet the applicable requirements for tax-qualification under sections 401(a) and (k) of the Internal Revenue Code of 1986, as amended (the “Code”). The expense for the three months ended June 30, 2019 and 2018 amounted to $0.3 million in both periods. The expense for the six months ended June 30, 2019 and 2018 amounted to $0.6 million in both periods. The Company’s matching contribution is made in the form of Bel Fuse Inc. Class A common stock. As of June 30, 2019, the plan owned 133,280 and 107,962 shares of Bel Fuse Inc. Class A and Class B common stock, respectively.

The Company's subsidiaries in Asia have a retirement fund covering substantially all of their Hong Kong based full-time employees. The expense for the three months ended June 30, 2019 and 2018 amounted to $0.1 million in both periods. The expense for the six months ended June 30, 2019 and 2018 amounted to $0.2 million in both periods. As of June 30, 2019, the plan owned 3,323 and 17,342 shares of Bel Fuse Inc. Class A and Class B common stock, respectively.

The Company maintains a SERP, which is designed to provide a limited group of key management and other key employees of the Company with supplemental retirement and death benefits. As discussed in Note 3 above, the Company has investments in a rabbi trust which are intended to fund the obligations of the SERP.

The components of SERP expense are as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Service cost	$	144	$	183	$	288	$	366
Interest cost		185		166		370		332
Net amortization		48		111		96		222
Net periodic benefit cost	$	377	$	460	$	754	$	920

The service cost component of net benefit cost is presented within cost of sales or selling, general and administrative expense on the accompanying condensed consolidated statements of operations, in accordance with where compensation cost for the related associate is reported. All other components of net benefit cost, including interest cost and net amortization noted above, are presented within other income/expense, net in the accompanying condensed consolidated statements of operations.

The following amounts are recognized net of tax in accumulated other comprehensive loss:

	June 30,		December 31,
	2019		2018
Prior service cost	$	828	$	918
Net loss		1,971		1,977
	$	2,799	$	2,895

ACCUMULATED OTHER COMPREHENSIVE LOSS

6 Months Ended

Jun. 30, 2019

ACCUMULATED OTHER COMPREHENSIVE LOSS [Abstract]

ACCUMULATED OTHER COMPREHENSIVE LOSS

11. ACCUMULATED OTHER COMPREHENSIVE LOSS

The components of accumulated other comprehensive loss at June 30, 2019 and December 31, 2018 are summarized below:

	June 30,			December 31,
	2019			2018

Foreign currency translation adjustment, net of taxes of ($752) at
June 30, 2019 and ($751) at December 31, 2018	$	(22,929	)	$	(22,635	)
Unrealized holding gains on available-for-sale securities, net of taxes of
$0 at June 30, 2019 and $0 at December 31, 2018		12			12
Unfunded SERP liability, net of taxes of ($195) at June 30, 2019
and ($680) at December 31, 2018		(2,604	)		(2,215	)

Accumulated other comprehensive loss	$	(25,521	)	$	(24,838	)

Changes in accumulated other comprehensive loss by component during the six months ended June 30, 2019 are as follows. All amounts are net of tax.

				Unrealized Holding
	Foreign Currency			Gains on
	Translation			Available-for-		Unfunded
	Adjustment			Sale Securities		SERP Liability				Total

Balance at January 1, 2019	$	(22,635	)	$	12	$	(2,215	)		$	(24,838	)
Other comprehensive income before reclassifications		(294	)		-		11				(283	)
Amount reclassified from accumulated other
comprehensive loss		-			-		63		(a)		63
Net current period other comprehensive income		(294	)		-		74				(220	)

Effect of adoption of ASU 2018-02 (Topic 220)		-			-		(463	)			(463	)
Balance at June 30, 2019	$	(22,929	)	$	12	$	(2,604	)		$	(25,521	)

(a) This reclassification relates to the amortization of prior service costs and gains/losses associated with the Company's SERP Plan.
This expense is allocated between cost of sales and selling, general and administrative expense based upon the employment
classification of the plan participants.

LEASES

6 Months Ended

Jun. 30, 2019

LEASES [Abstract]

LEASES

12. LEASES

The Company has operating leases for its facilities used for manufacturing, research and development, sales and administration. There are also operating and finance leases related to manufacturing equipment, office equipment and vehicles. These leases have remaining lease terms ranging from 1 year to 8 years. Certain of the leases contain options to extend the term of the lease and certain of the leases contain options to terminate the lease within a specified period of time. These options to extend or terminate a lease are included in the lease term only when it is reasonably likely that the Company will elect that option. The Company is not a party to any material sublease arrangements.

The components of lease expense, which are included in cost of sales and selling, general and administrative expense, based on the underlying use of the ROU asset, were as follows:

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Amortization of ROU Assets - Finance Leases	$	33	$	67
Interest on Lease Liabilities - Finance Leases		12		25
Operating Lease Cost (Cost resulting from lease payments)		1,978		3,969
Short-term Lease Cost		31		100
Variable Lease Cost (Cost excluded from lease payments)		61		121
Sublease Income		-		-
Total Lease Cost	$	2,115	$	4,282

Supplemental cash flow information related to leases are as follows:

	Six Months Ended June 30, 2019
Cash paid for amounts included in the measruement of lease liabilities:
Operating cash flows from operating leases	$	3,963
Operating cash flows from finance leases		25
Finance cash flows from finance leases		57
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		21,396
Finance leases		-

Supplemental balance sheet information related to leases was as follows:

	June 30, 2019
Operating Leases:
Operating lease right-of-use assets	$	17,885
Operating lease liability, current		6,238
Operating lease liability, long-term		12,121
Total operating lease liabilities		18,359

Finance Leases:
Property, plant and equipment, gross	$	894
Accumulated depreciation		(202	)
Property, plant and equipment, net		692
Other current liabilities		120
Other long-term liabilities		626
Total finance lease liabilities	$	746

	June 30, 2019
Weighted-Average Remaining Lease Term:
Operating leases	3.65 years
Finance leases	5.82 years

Weighted-Average Discount Rate:
Operating leases		6.0	%
Finance leases		6.5	%

Our discount rate is based on our incremental borrowing rate, as adjusted based on the geographic regions in which our leases assets are located.

Maturities of lease liabilities were as follows as of June 30, 2019:

Year Ending	Operating			Finance
June 30,	Leases			Leases
2020	$	7,204		$	164
2021		5,549			163
2022		4,206			163
2023		2,440			163
2024		422			163
Thereafter		305			67
Total undiscounted cash flows		20,126			883
Less imputed interest		(1,767	)		(137	)
Present value of lease liabilities	$	18,359		$	746

As of June 30, 2019, the Company did not have any additional operating or financing leases that have not yet commenced.

COMMITMENTS AND CONTINGENCIES	6 Months Ended
COMMITMENTS AND CONTINGENCIES	Jun. 30, 2019
COMMITMENTS AND CONTINGENCIES [Abstract]
COMMITMENTS AND CONTINGENCIES	13. COMMITMENTS AND CONTINGENCIES Legal Proceedings The Company is party to a number of legal actions and claims, none of which individually or in the aggregate, in the opinion of management, are expected to have a material adverse effect on the Company’s consolidated results of operations or financial position. In connection with the acquisition of Power Solutions, there is an ongoing claim by the Arezzo Revenue Agency in Italy concerning certain tax matters related to what was then Power-One Asia Pacific Electronics Shenzhen Co. Ltd. (now Bel Power Solutions Asia Pacific Electronics Shenzhen Co. Ltd, or “BPS China”) for the years 2004 to 2006. In September 2012, the Tax Court of Arezzo ruled in favor of BPS China and cancelled the claim. In February 2013, the Arezzo Revenue Agency filed an appeal of the Tax Court’s ruling. The hearing of the appeal was held on October 2, 2014. On October 13, 2014, BPS China was informed of the Regional Tax Commission of Florence ruling which was in favor of the Arezzo Revenue Agency and against BPS China. An appeal was filed on July 18, 2015 before the Regional Tax Commission of Florence and rejected. On December 5, 2016, the Arezzo Revenue Agency filed an appeal with the Supreme Court and BPS China filed a counter-appeal on January 4, 2017. The Supreme Court has yet to render its judgment. The estimated liability related to this matter is approximately $12.0 million and has been included as a liability for uncertain tax positions on the accompanying condensed consolidated balance sheets. As Bel is fully indemnified in this matter per the terms of the stock purchase agreement with ABB, a corresponding other asset for indemnification is also included in other assets on the accompanying condensed consolidated balance sheets at June 30, 2019 and December 31, 2018. The Company is not a party to any other legal proceeding, the adverse outcome of which is likely to have a material adverse effect on the Company's consolidated financial condition or results of operations.

SEGMENTS

6 Months Ended

Jun. 30, 2019

SEGMENTS [Abstract]

SEGMENTS

14. SEGMENTS

The Company operates in one industry with three reportable operating segments, which are geographic in nature. The segments consist of North America, Asia and Europe. The primary criteria by which financial performance is evaluated and resources are allocated are net sales and income from operations. The following is a summary of key financial data:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2019			2018			2019			2018
Net Sales to External Customers:
North America	$	67,066		$	71,240		$	131,653		$	130,696
Asia		39,324			45,914			76,601			84,535
Europe		21,026			23,556			44,551			43,730
	$	127,416		$	140,710		$	252,805		$	258,961

Net Sales:
North America	$	69,450		$	74,602		$	136,923		$	137,173
Asia		63,062			70,005			125,372			126,144
Europe		25,734			27,630			52,598			51,942
Less intercompany net sales		(30,830	)		(31,527	)		(62,088	)		(56,298	)
	$	127,416		$	140,710		$	252,805		$	258,961

Income from Operations:
North America	$	2,373		$	2,963		$	1,880		$	2,661
Asia		270			5,319			1,283			5,234
Europe		2,310			2,385			4,604			3,209
	$	4,953		$	10,667		$	7,767		$	11,104

Net Sales – Segment net sales are attributed to individual segments based on the geographic source of the billing for such customer sales. Intercompany sales include finished products manufactured in foreign countries which are then transferred to the United States and Europe for sale; finished goods manufactured in the United States which are transferred to Europe and Asia for sale; and semi-finished components manufactured in the United States which are sold to Asia for further processing.

Income (loss) from operations represents net sales less operating costs and expenses and does not include any amounts related to intercompany transactions.

BASIS OF PRESENTATION AND ACCOUNTING POLICIES (Policies)	6 Months Ended
	Jun. 30, 2019
BASIS OF PRESENTATION AND ACCOUNTING POLICIES [Abstract]
Recently Adopted Accounting Standards	Recently Adopted Accounting Standards In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842) (“ASU 2016-02”), to provide a new comprehensive model for lease accounting. Under this guidance, lessees and lessors should apply a “right-of-use” model in accounting for all leases (including subleases) and eliminate the concept of operating leases and off-balance sheet leases. Recognition, measurement and presentation of expenses will depend on classification as a finance or operating lease. Similar modifications have been made to lessor accounting in-line with revenue recognition guidance. This guidance was effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. The amendments also require certain quantitative and qualitative disclosures about leasing arrangements. The Company adopted ASU 2016-02 as amended effective January 1, 2019 using the modified retrospective approach. In connection with the adoption, we elected to utilize the Comparatives Under 840 Option whereby the Company will continue to present prior period financial statements and disclosures under ASC 840. In addition, we elected the transition package of three practical expedients permitted within the standard, which eliminates the requirements to reassess prior conclusions about lease identification, lease classification and initial direct costs. Further, we elected a short-term lease exception policy, permitting us to not apply the recognition requirements of this standard to short-term leases (i.e. leases with terms of 12 months or less) and an accounting policy to account for lease and non-lease components as a single component for certain classes of assets. We implemented a new lease system to facilitate the requirements of the new standard and completed the necessary changes to our accounting policies, processes, disclosures and internal control over financial reporting. Adoption of the new standard resulted in the recording of right-of-use assets in the amount of $20.7 million and lease liabilities related to our operating leases in the amount of $21.0 million on our consolidated balance sheet as of January 1, 2019. The standard did not materially affect the Company’s consolidated net earnings or have any impact on cash flows. See Note 12, Leases, for Topic 842 disclosures in connection with the adoption of ASU 2016-02. In February 2018, the FASB issued ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. This guidance allows a reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from the U.S. Tax Cuts and Jobs Act, which was enacted on December 22, 2017. This guidance is effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years and should be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the U.S. federal corporate income tax rate in the U.S. Tax Cuts and Jobs Act is recognized. This guidance was adopted by the Company effective January 1, 2019. In accordance with this guidance, the Company reclassified $0.5 million of stranded tax effects from accumulated other comprehensive income to retained earnings within the equity section of the condensed consolidated balance sheet as of January 1, 2019. The adoption of this guidance did not have a material impact on the Company’s condensed consolidated financial statements. In May 2018, the FASB issued ASU 2018-07, Compensation – Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting, which simplifies the accounting for share-based payments granted to nonemployees for goods and services. This guidance will better align the treatment of share-based payments to nonemployees with the requirements for such share-based payments granted to employees. This guidance is effective for all public entities for fiscal years beginning after December 15, 2018, including interim periods within that year. This guidance was adopted by the Company effective January 1, 2019 and did not have a material impact on the Company’s condensed consolidated financial statements.
Accounting Standards Issued But Not Yet Adopted	Accounting Standards Issued But Not Yet Adopted In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”). The new guidance will broaden the information that an entity must consider in developing its expected credit loss estimates related to its financial instruments and adds to U.S. GAAP an impairment model that is based on expected losses rather than incurred losses. The amendment is currently effective for public entities for annual reporting periods beginning after December 15, 2019, with early adoption permitted. Management is currently assessing the impact of ASU 2016-13, but it is not expected to have a material impact on the Company’s condensed consolidated financial statements. In January 2017, the FASB issued ASU 2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment (“ASU 2017-04”). ASU 2017-04 simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Early adoption is permitted for interim and annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company is required to adopt ASU 2017-04 for its annual or any interim goodwill impairment tests for annual periods beginning after December 15, 2019, and the guidance is to be applied on a prospective basis. In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement. The updated guidance improves the disclosure requirements on fair value measurements. The updated guidance is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. Early adoption is permitted for any removed or modified disclosures. The Company is currently assessing the timing and impact of adopting the updated provisions. In August 2018, the FASB issued ASU 2018-14, Compensation-Retirement Benefits-Defined Benefit Plans-General (Subtopic 715-20): Disclosure Framework – Changes to the Disclosure Requirements for Defined Benefit Plans (“ASU 2018-14”). This guidance removes certain disclosures that are not considered cost beneficial, clarifies certain required disclosures and added additional disclosures. The standard is effective for fiscal years ending after December 15, 2020. The amendments in ASU 2018-14 would need to be applied on a retrospective basis. The Company is currently assessing the impact the new guidance will have on its disclosures. In August 2018, the FASB issued ASU 2018-15, Intangibles – Goodwill and Other-Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Cost. This guidance aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. This guidance is effective for interim and annual reporting periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impacts that adoption of this ASU will have on its consolidated financial statements.

REVENUE (Tables)

6 Months Ended

Jun. 30, 2019

REVENUE [Abstract]

Disaggregation of Revenue

The following table provides information about disaggregated revenue by product group and sales channel, and includes a reconciliation of the disaggregated revenue to our reportable segments:

	Three Months Ended June 30, 2019								Six Months Ended June 30, 2019
	North								North
	America		Asia		Europe		Consolidated		America		Asia		Europe		Consolidated

By Product Group:
Connectivity solutions	$	31,297	$	3,027	$	8,212	$	42,536	$	63,418	$	6,502	$	16,977	$	86,897
Magnetic solutions		9,638		29,168		2,046		40,852		18,583		56,258		4,267		79,108
Power solutions and protection		26,131		7,129		10,768		44,028		49,652		13,841		23,307		86,800
	$	67,066	$	39,324	$	21,026	$	127,416	$	131,653	$	76,601	$	44,551	$	252,805

By Sales Channel:
Direct to customer	$	45,442	$	32,707	$	13,293	$	91,442	$	89,323	$	63,835	$	29,506	$	182,664
Through distribution		21,624		6,617		7,733		35,974		42,330		12,766		15,045		70,141
	$	67,066	$	39,324	$	21,026	$	127,416	$	131,653	$	76,601	$	44,551	$	252,805


	Three Months Ended June 30, 2018								Six Months Ended June 30, 2018
	North								North
	America		Asia		Europe		Consolidated		America		Asia		Europe		Consolidated

By Product Group:
Connectivity solutions	$	34,834	$	4,820	$	9,274	$	48,928	$	65,878	$	8,241	$	17,727	$	91,846
Magnetic solutions		10,158		32,844		2,546		45,548		18,209		60,669		4,898		83,776
Power solutions and protection		26,248		8,250		11,736		46,234		46,609		15,625		21,105		83,339
	$	71,240	$	45,914	$	23,556	$	140,710	$	130,696	$	84,535	$	43,730	$	258,961

By Sales Channel:
Direct to customer	$	44,055	$	39,402	$	15,990	$	99,447	$	81,951	$	72,330	$	30,183	$	184,464
Through distribution		27,185		6,512		7,566		41,263		48,745		12,205		13,547		74,497
	$	71,240	$	45,914	$	23,556	$	140,710	$	130,696	$	84,535	$	43,730	$	258,961

Contract Assets and Contract Liabilities

The balances of the Company’s contract assets and contract liabilities at June 30, 2019 and December 31, 2018 are as follows:

	June 30,		December 31,
	2019		2018

Contract assets - current (unbilled receivable)	$	11,470	$	15,799
Contract liabilities - current (deferred revenue)	$	1,763	$	1,036

EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2019

EARNINGS PER SHARE [Abstract]

Earnings and Weighted Average Shares Outstanding used in Computation of Basic and Diluted Net Earnings Per Share

The following table sets forth the calculation of basic and diluted net earnings per common share under the two-class method for the three and six months ended June 30, 2019 and 2018:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018

Numerator:
Net earnings	$	2,967	$	6,634	$	4,098	$	5,332
Less dividends declared:
Class A		131		131		261		261
Class B		704		689		1,412		1,390
Undistributed earnings	$	2,132	$	5,814	$	2,425	$	3,681

Undistributed earnings allocation - basic and diluted:
Class A undistributed earnings	$	363	$	1,010	$	412	$	640
Class B undistributed earnings		1,769		4,804		2,013		3,041
Total undistributed earnings	$	2,132	$	5,814	$	2,425	$	3,681

Net earnings allocation - basic and diluted:
Class A net earnings	$	494	$	1,141	$	673	$	901
Class B net earnings		2,473		5,493		3,425		4,431
Net earnings	$	2,967	$	6,634	$	4,098	$	5,332

Denominator:
Weighted-average shares outstanding:
Class A - basic and diluted		2,175		2,175		2,175		2,175
Class B - basic and diluted		10,112		9,844		10,100		9,850

Net earnings per share:
Class A - basic and diluted	$	0.23	$	0.52	$	0.31	$	0.41
Class B - basic and diluted	$	0.24	$	0.56	$	0.34	$	0.45

INVENTORIES (Tables)

6 Months Ended

Jun. 30, 2019

INVENTORIES [Abstract]

Components of Inventories

The components of inventories are as follows:

	June 30,		December 31,
	2019		2018
Raw materials	$	53,251	$	63,348
Work in progress		28,548		21,441
Finished goods		36,410		35,279
Inventories	$	118,209	$	120,068

PROPERTY, PLANT AND EQUIPMENT (Tables)

6 Months Ended

Jun. 30, 2019

PROPERTY, PLANT AND EQUIPMENT [Abstract]

Property, Plant and Equipment

Property, plant and equipment consist of the following:

	June 30,			December 31,
	2019			2018
Land	$	1,433		$	2,251
Buildings and improvements		29,319			30,119
Machinery and equipment		129,386			126,747
Construction in progress		5,516			4,687
		165,654			163,804
Accumulated depreciation		(123,310	)		(119,872	)
Property, plant and equipment, net	$	42,344		$	43,932

ACCRUED EXPENSES (Tables)

6 Months Ended

Jun. 30, 2019

ACCRUED EXPENSES [Abstract]

Accrued Expenses

Accrued expenses consist of the following:

	June 30,		December 31,
	2019		2018
Sales commissions	$	2,628	$	2,609
Subcontracting labor		1,276		1,550
Salaries, bonuses and related benefits		14,918		18,275
Warranty accrual		1,329		1,078
Other		9,941		8,778
	$	30,092	$	32,290

Activity and Liability Balances Related to Restructuring Costs

Activity and liability balances related to restructuring costs for the six months ended June 30, 2019 are as follows:

			Six Months Ended
			June 30, 2019
	Liability at				Cash Payments			Liability at
	December 31,		New		and Other			June 30,
	2018		Charges		Settlements			2019
Severance costs	$	-	$	311	$	(244	)	$	67
Other restructuring costs		-		809		(107	)		702
Total	$	-	$	1,120	$	(351	)	$	769

RETIREMENT FUND AND PROFIT SHARING PLAN (Tables)

6 Months Ended

Jun. 30, 2019

RETIREMENT FUND AND PROFIT SHARING PLAN [Abstract]

SERP Expense

The components of SERP expense are as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Service cost	$	144	$	183	$	288	$	366
Interest cost		185		166		370		332
Net amortization		48		111		96		222
Net periodic benefit cost	$	377	$	460	$	754	$	920

Gross Amounts Recognized in Accumulated Other Comprehensive Loss, Net of Tax

The following amounts are recognized net of tax in accumulated other comprehensive loss:

	June 30,		December 31,
	2019		2018
Prior service cost	$	828	$	918
Net loss		1,971		1,977
	$	2,799	$	2,895

ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

6 Months Ended

Jun. 30, 2019

ACCUMULATED OTHER COMPREHENSIVE LOSS [Abstract]

Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss at June 30, 2019 and December 31, 2018 are summarized below:

	June 30,			December 31,
	2019			2018

Foreign currency translation adjustment, net of taxes of ($752) at
June 30, 2019 and ($751) at December 31, 2018	$	(22,929	)	$	(22,635	)
Unrealized holding gains on available-for-sale securities, net of taxes of
$0 at June 30, 2019 and $0 at December 31, 2018		12			12
Unfunded SERP liability, net of taxes of ($195) at June 30, 2019
and ($680) at December 31, 2018		(2,604	)		(2,215	)

Accumulated other comprehensive loss	$	(25,521	)	$	(24,838	)

Changes in Accumulated Other Comprehensive Loss by Component

Changes in accumulated other comprehensive loss by component during the six months ended June 30, 2019 are as follows. All amounts are net of tax.

				Unrealized Holding
	Foreign Currency			Gains on
	Translation			Available-for-		Unfunded
	Adjustment			Sale Securities		SERP Liability				Total

Balance at January 1, 2019	$	(22,635	)	$	12	$	(2,215	)		$	(24,838	)
Other comprehensive income before reclassifications		(294	)		-		11				(283	)
Amount reclassified from accumulated other
comprehensive loss		-			-		63		(a)		63
Net current period other comprehensive income		(294	)		-		74				(220	)

Effect of adoption of ASU 2018-02 (Topic 220)		-			-		(463	)			(463	)
Balance at June 30, 2019	$	(22,929	)	$	12	$	(2,604	)		$	(25,521	)

(a) This reclassification relates to the amortization of prior service costs and gains/losses associated with the Company's SERP Plan.
This expense is allocated between cost of sales and selling, general and administrative expense based upon the employment
classification of the plan participants.

LEASES (Tables)

6 Months Ended

Jun. 30, 2019

LEASES [Abstract]

Components of Lease Expense

The components of lease expense, which are included in cost of sales and selling, general and administrative expense, based on the underlying use of the ROU asset, were as follows:

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Amortization of ROU Assets - Finance Leases	$	33	$	67
Interest on Lease Liabilities - Finance Leases		12		25
Operating Lease Cost (Cost resulting from lease payments)		1,978		3,969
Short-term Lease Cost		31		100
Variable Lease Cost (Cost excluded from lease payments)		61		121
Sublease Income		-		-
Total Lease Cost	$	2,115	$	4,282

Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases are as follows:

	Six Months Ended June 30, 2019
Cash paid for amounts included in the measruement of lease liabilities:
Operating cash flows from operating leases	$	3,963
Operating cash flows from finance leases		25
Finance cash flows from finance leases		57
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		21,396
Finance leases		-

Supplemental Balance Sheet Information Related to Leases

Supplemental balance sheet information related to leases was as follows:

	June 30, 2019
Operating Leases:
Operating lease right-of-use assets	$	17,885
Operating lease liability, current		6,238
Operating lease liability, long-term		12,121
Total operating lease liabilities		18,359

Finance Leases:
Property, plant and equipment, gross	$	894
Accumulated depreciation		(202	)
Property, plant and equipment, net		692
Other current liabilities		120
Other long-term liabilities		626
Total finance lease liabilities	$	746

Weighted-Average Remaining Lease Term and Discount Rate

	June 30, 2019
Weighted-Average Remaining Lease Term:
Operating leases	3.65 years
Finance leases	5.82 years

Weighted-Average Discount Rate:
Operating leases		6.0	%
Finance leases		6.5	%

Maturities of Lease Liabilities

Maturities of lease liabilities were as follows as of June 30, 2019:

Year Ending	Operating			Finance
June 30,	Leases			Leases
2020	$	7,204		$	164
2021		5,549			163
2022		4,206			163
2023		2,440			163
2024		422			163
Thereafter		305			67
Total undiscounted cash flows		20,126			883
Less imputed interest		(1,767	)		(137	)
Present value of lease liabilities	$	18,359		$	746

SEGMENTS (Tables)

6 Months Ended

Jun. 30, 2019

SEGMENTS [Abstract]

Key Financial Data

The following is a summary of key financial data:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2019			2018			2019			2018
Net Sales to External Customers:
North America	$	67,066		$	71,240		$	131,653		$	130,696
Asia		39,324			45,914			76,601			84,535
Europe		21,026			23,556			44,551			43,730
	$	127,416		$	140,710		$	252,805		$	258,961

Net Sales:
North America	$	69,450		$	74,602		$	136,923		$	137,173
Asia		63,062			70,005			125,372			126,144
Europe		25,734			27,630			52,598			51,942
Less intercompany net sales		(30,830	)		(31,527	)		(62,088	)		(56,298	)
	$	127,416		$	140,710		$	252,805		$	258,961

Income from Operations:
North America	$	2,373		$	2,963		$	1,880		$	2,661
Asia		270			5,319			1,283			5,234
Europe		2,310			2,385			4,604			3,209
	$	4,953		$	10,667		$	7,767		$	11,104

BASIS OF PRESENTATION AND ACCOUNTING POLICIES, Recently Adopted Accounting Standard (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Recently Adopted Accounting Standards [Abstract]
Right-of-use assets	$ 17,885		$ 0
Lease liabilities	18,359
Accumulated Other Comprehensive Income [Member]
Recently Adopted Accounting Standards [Abstract]
Reclassification of certain tax effects from accumulated other comprehensive income			(463)
ASU 2016-02 [Member]
Recently Adopted Accounting Standards [Abstract]
Right-of-use assets	20,700
Lease liabilities	21,000
ASU 2018-02 [Member]
Recently Adopted Accounting Standards [Abstract]
Reclassification of certain tax effects from accumulated other comprehensive income			0
ASU 2018-02 [Member] \| Retained Earnings [Member]
Recently Adopted Accounting Standards [Abstract]
Reclassification of certain tax effects from accumulated other comprehensive income		$ 463	$ 463
ASU 2018-02 [Member] \| Accumulated Other Comprehensive Income [Member]
Recently Adopted Accounting Standards [Abstract]
Reclassification of certain tax effects from accumulated other comprehensive income	$ (463)	$ (463)

REVENUE, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Abstract]
Net sales	$ 127,416	$ 140,710	$ 252,805	$ 258,961
Direct to Customer [Member]
Disaggregation of Revenue [Abstract]
Net sales	91,442	99,447	182,664	184,464
Through Distribution [Member]
Disaggregation of Revenue [Abstract]
Net sales	35,974	41,263	70,141	74,497
Connectivity Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	42,536	48,928	86,897	91,846
Magnetic Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	40,852	45,548	79,108	83,776
Power Solutions and Protection [Member]
Disaggregation of Revenue [Abstract]
Net sales	44,028	46,234	86,800	83,339
North America [Member]
Disaggregation of Revenue [Abstract]
Net sales	67,066	71,240	131,653	130,696
North America [Member] \| Direct to Customer [Member]
Disaggregation of Revenue [Abstract]
Net sales	45,442	44,055	89,323	81,951
North America [Member] \| Through Distribution [Member]
Disaggregation of Revenue [Abstract]
Net sales	21,624	27,185	42,330	48,745
North America [Member] \| Connectivity Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	31,297	34,834	63,418	65,878
North America [Member] \| Magnetic Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	9,638	10,158	18,583	18,209
North America [Member] \| Power Solutions and Protection [Member]
Disaggregation of Revenue [Abstract]
Net sales	26,131	26,248	49,652	46,609
Asia [Member]
Disaggregation of Revenue [Abstract]
Net sales	39,324	45,914	76,601	84,535
Asia [Member] \| Direct to Customer [Member]
Disaggregation of Revenue [Abstract]
Net sales	32,707	39,402	63,835	72,330
Asia [Member] \| Through Distribution [Member]
Disaggregation of Revenue [Abstract]
Net sales	6,617	6,512	12,766	12,205
Asia [Member] \| Connectivity Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	3,027	4,820	6,502	8,241
Asia [Member] \| Magnetic Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	29,168	32,844	56,258	60,669
Asia [Member] \| Power Solutions and Protection [Member]
Disaggregation of Revenue [Abstract]
Net sales	7,129	8,250	13,841	15,625
Europe [Member]
Disaggregation of Revenue [Abstract]
Net sales	21,026	23,556	44,551	43,730
Europe [Member] \| Direct to Customer [Member]
Disaggregation of Revenue [Abstract]
Net sales	13,293	15,990	29,506	30,183
Europe [Member] \| Through Distribution [Member]
Disaggregation of Revenue [Abstract]
Net sales	7,733	7,566	15,045	13,547
Europe [Member] \| Connectivity Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	8,212	9,274	16,977	17,727
Europe [Member] \| Magnetic Solutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	2,046	2,546	4,267	4,898
Europe [Member] \| Power Solutions and Protection [Member]
Disaggregation of Revenue [Abstract]
Net sales	$ 10,768	$ 11,736	$ 23,307	$ 21,105

REVENUE, Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Contract with Customer, Asset and Liability [Abstract]
Contract assets - current (unbilled receivable)	$ 11,470	$ 15,799
Contract liabilities - current (deferred revenue)	$ 1,763	$ 1,036

REVENUE, Transaction Price Allocated to Future Obligations (Details) $ in Thousands	Jun. 30, 2019 USD ($)
REVENUE [Abstract]
Revenue, remaining performance obligation	$ 14,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Transaction Price Allocated to Future Obligations [Abstract]
Remaining performance obligation percentage	21.00%
Remaining performance satisfaction period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Transaction Price Allocated to Future Obligations [Abstract]
Remaining performance obligation percentage	54.00%
Remaining performance satisfaction period

EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Numerator [Abstract]
Net earnings	$ 2,967	$ 6,634	$ 4,098	$ 5,332
Undistributed earnings	2,132	5,814	2,425	3,681
Class A [Member]
Numerator [Abstract]
Net earnings	494	1,141	673	901
Less dividends declared	131	131	261	261
Undistributed earnings	$ 363	$ 1,010	$ 412	$ 640
Weighted-average shares outstanding [Abstract]
Basic and diluted (in shares)	2,175	2,175	2,175	2,175
Net earnings per share [Abstract]
Basic and diluted (in dollars per share)	$ 0.23	$ 0.52	$ 0.31	$ 0.41
Class B [Member]
Numerator [Abstract]
Net earnings	$ 2,473	$ 5,493	$ 3,425	$ 4,431
Less dividends declared	704	689	1,412	1,390
Undistributed earnings	$ 1,769	$ 4,804	$ 2,013	$ 3,041
Weighted-average shares outstanding [Abstract]
Basic and diluted (in shares)	10,112	9,844	10,100	9,850
Net earnings per share [Abstract]
Basic and diluted (in dollars per share)	$ 0.24	$ 0.56	$ 0.34	$ 0.45

FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Fair Value Measurement [Abstract]
Transfers in (out) between levels	$ 0		$ 0
Fair value of total debt	118,500	$ 117,900
Carrying amount of long-term debt	113,000	114,200
Investments held in Rabbi Trust [Member]
Fair Value Measurement [Abstract]
Securities measured at fair value	1,300	1,400
Nonrecurring [Member]
Fair Value Measurement [Abstract]
Financial assets accounted at fair value	$ 0	$ 0

INVENTORIES (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Components of inventories [Abstract]
Raw materials	$ 53,251	$ 63,348
Work in progress	28,548	21,441
Finished goods	36,410	35,279
Inventories	$ 118,209	$ 120,068

PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2019	Dec. 31, 2018
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	$ 165,654		$ 165,654			$ 163,804
Accumulated depreciation	(123,310)		(123,310)			(119,872)
Property, plant and equipment, net	42,344		42,344			43,932
Depreciation expense	2,500	$ 2,900	5,000	$ 6,100
Assets held for sale					$ 1,500
Net proceeds	5,800		5,784	53
Pretax gain on sale	4,257	$ 0	4,257	$ 0
Land [Member]
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	1,433		1,433			2,251
Buildings and Improvements [Member]
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	29,319		29,319			30,119
Machinery and Equipment [Member]
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	129,386		129,386			126,747
Construction in Progress [Member]
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	$ 5,516		$ 5,516			$ 4,687

ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	6 Months Ended
ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
ACCRUED EXPENSES [Abstract]
Sales commissions	$ 2,628	$ 2,609
Subcontracting labor	1,276	1,550
Salaries, bonuses and related benefits	14,918	18,275
Warranty accrual	1,329	1,078
Other	9,941	8,778
Accrued expenses	30,092	$ 32,290
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	0
New charges	1,120
Cash payment and other settlements	(351)
Liability, ending balance	769
Severance Costs [Member]
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	0
New charges	311
Cash payment and other settlements	(244)
Liability, ending balance	67
Other Restructuring Costs [Member]
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	0
New charges	809
Cash payment and other settlements	(107)
Liability, ending balance	702
Facility Closing [Member]
Activity and liability balances related to restructuring costs [Roll Forward]
New charges	$ 900

DEBT (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
DEBT (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Credit and Security Agreement [Abstract]
Term loan, amount outstanding	$ 113,000		$ 113,000		$ 114,200
Deferred finance cost net	$ 1,500		1,500		$ 1,800
Borrowings under revolving credit line			12,000	$ 0
Repayments of revolving credit line			$ (12,000)	0
KeyBank [Member]
Credit and Security Agreement [Abstract]
Line of credit facility, maturity date			Dec. 11, 2022
Weighted average interest rate	4.19%		4.19%		4.31%
Interest expense incurred	$ 1,400	$ 1,300	$ 2,800	$ 2,500
KeyBank [Member] \| Term Loan [Member]
Credit and Security Agreement [Abstract]
Term loan, amount outstanding	114,500		114,500		$ 116,000
KeyBank [Member] \| Revolving Credit Facility [Member]
Credit and Security Agreement [Abstract]
Line of credit, amount outstanding	0		0		0
Unused borrowing capacity	$ 75,000		75,000		$ 75,000
Borrowings under revolving credit line			12,000
Repayments of revolving credit line			$ (12,000)

INCOME TAXES (Details) - USD ($) $ in Thousands	6 Months Ended
INCOME TAXES (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Income Taxes Uncertain Tax Positions and Tax Reform [Abstract]
Liability for uncertain tax positions	$ 28,500		$ 28,900
Liability for uncertain tax positions - current	100		1,400
Liability for uncertain tax positions - lapse of statute of limitations	(100)
Interest and penalties uncertain tax positions recognized	300	$ 500
(Benefit) on reversal of interest and penalties	(700)	$ (400)
Accrued interest and penalties uncertain tax positions	$ 4,500		$ 3,800

RETIREMENT FUND AND PROFIT SHARING PLAN, Employees' Savings Plan (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
UNITED STATES \| Class A Common Stock [Member]
Compensation Expense [Abstract]
Shares owned by plan (in shares)	133,280		133,280
UNITED STATES \| Class B Common Stock [Member]
Compensation Expense [Abstract]
Shares owned by plan (in shares)	107,962		107,962
401K Plan [Member] \| UNITED STATES
Compensation Expense [Abstract]
Compensation expense	$ 300	$ 300	$ 600	$ 600
Retirement Fund [Member] \| HONG KONG
Compensation Expense [Abstract]
Compensation expense	$ 100	$ 100	$ 200	$ 200
Retirement Fund [Member] \| HONG KONG \| Class A Common Stock [Member]
Compensation Expense [Abstract]
Shares owned by plan (in shares)	3,323		3,323
Retirement Fund [Member] \| HONG KONG \| Class B Common Stock [Member]
Compensation Expense [Abstract]
Shares owned by plan (in shares)	17,342		17,342

RETIREMENT FUND AND PROFIT SHARING PLAN, SERP (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Type [Extensible List]	us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefitMember		us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefitMember
SERP [Member]
Components of SERP expense [Abstract]
Service cost	$ 144	$ 183	$ 288	$ 366
Interest cost	185	166	370	332
Net amortization	48	111	96	222
Net periodic benefit cost	377	$ 460	754	$ 920
Amounts recognized in accumulated other comprehensive loss, net of tax [Abstract]
Prior service cost	828		828		$ 918
Net loss	1,971		1,971		1,977
Total amounts recognized in accumulated other comprehensive loss	$ 2,799		$ 2,799		$ 2,895

ACCUMULATED OTHER COMPREHENSIVE LOSS, Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Accumulated other comprehensive loss [Abstract]
Foreign currency translation adjustment, net of taxes	$ (22,929)	$ (22,635)
Unrealized holding gains on available-for-sale securities, net of taxes	12	12
Unfunded SERP liability, net of taxes	(2,604)	(2,215)
Accumulated other comprehensive loss	(25,521)	(24,838)
Accumulated other comprehensive loss, tax [Abstract]
Foreign currency translation adjustment, tax	(752)	(751)
Unrealized holding gains on available-for-sale securities, tax	0	0
Change in unfunded SERP liability, tax	$ (195)	$ (680)

- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

+ References + Details

ACCUMULATED OTHER COMPREHENSIVE LOSS, Changes in Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands

3 Months Ended

6 Months Ended

Jun. 30, 2019

Jun. 30, 2018

Jun. 30, 2019

Jun. 30, 2018

Mar. 31, 2019

Dec. 31, 2018

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Balance at beginning of period

$ 178,153

$ 164,175

$ 176,470

$ 157,960

Other comprehensive income before reclassifications

(283)

Amount reclassified from accumulated other comprehensive loss

Net current period other comprehensive income

(797)

(7,363)

(220)

(3,291)

Balance at end of period

180,276

163,297

180,276

163,297

ASU 2018-02 [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Effect of adoption of ASU 2018-02 (Topic 220)

$ 0

Accumulated Other Comprehensive (Loss) [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Balance at beginning of period

(24,724)

(15,553)

(24,838)

(19,625)

Effect of adoption of ASU 2018-02 (Topic 220)

$ (463)

Balance at end of period

(25,521)

$ (22,916)

(25,521)

$ (22,916)

Accumulated Other Comprehensive (Loss) [Member] | ASU 2018-02 [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Effect of adoption of ASU 2018-02 (Topic 220)

(463)

$ (463)

Foreign Currency Translation Adjustment [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Balance at beginning of period

(22,635)

Other comprehensive income before reclassifications

(294)

Amount reclassified from accumulated other comprehensive loss

Net current period other comprehensive income

(294)

Balance at end of period

(22,929)

Foreign Currency Translation Adjustment [Member] | ASU 2018-02 [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Effect of adoption of ASU 2018-02 (Topic 220)

Unrealized Holding Gains on Available-for-Sale Securities [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Balance at beginning of period

Other comprehensive income before reclassifications

Amount reclassified from accumulated other comprehensive loss

Net current period other comprehensive income

Balance at end of period

Unrealized Holding Gains on Available-for-Sale Securities [Member] | ASU 2018-02 [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Effect of adoption of ASU 2018-02 (Topic 220)

Unfunded SERP Liability [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Balance at beginning of period

(2,215)

Other comprehensive income before reclassifications

Amount reclassified from accumulated other comprehensive loss

^[1]

Net current period other comprehensive income

Balance at end of period

(2,604)

Unfunded SERP Liability [Member] | ASU 2018-02 [Member]

Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward]

Effect of adoption of ASU 2018-02 (Topic 220)

$ (463)

[1]	This reclassification relates to the amortization of prior service costs and gains/losses associated with the Company's SERP Plan. This expense is allocated between cost of sales and selling, general and administrative expense based upon the employment classification of the plan participants.

LEASES (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
LEASES (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Components of Lease Expense [Abstract]
Amortization of ROU Assets - Finance Leases	$ 33	$ 67
Interest on Lease Liabilities - Finance Leases	12	25
Operating Lease Cost (Cost resulting from lease payments)	1,978	3,969
Short-term Lease Cost	31	100
Variable Lease Cost (Cost excluded from lease payments)	61	121
Sublease Income	0	0
Total Lease Cost	2,115	4,282
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Operating cash flows from operating leases		3,963
Operating cash flows from finance leases		25
Finance cash flows from finance leases		57
Right-of-use assets obtained in exchange for lease obligations [Abstract]
Operating leases		21,396
Finance leases		0
Operating Leases [Abstract]
Operating lease right-of-use assets	17,885	17,885	$ 0
Operating lease liability, current	6,238	6,238	0
Operating lease liability, long-term	12,121	12,121	$ 0
Total operating lease liabilities	18,359	18,359
Finance Leases [Abstract]
Property, plant and equipment, gross	894	894
Accumulated depreciation	(202)	(202)
Property, plant and equipment, net	692	692
Other current liabilities	120	120
Other long-term liabilities	626	626
Total finance lease liabilities	$ 746	$ 746
Weighted-Average Remaining Lease Term [Abstract]
Operating leases	3 years 7 months 24 days	3 years 7 months 24 days
Finance leases	5 years 9 months 25 days	5 years 9 months 25 days
Weighted-Average Discount Rate [Abstract]
Operating leases	6.00%	6.00%
Finance leases	6.50%	6.50%
Maturities of Operating Lease Liabilities [Abstract]
2020	$ 7,204	$ 7,204
2021	5,549	5,549
2022	4,206	4,206
2023	2,440	2,440
2024	422	422
Thereafter	305	305
Total undiscounted cash flows	20,126	20,126
Less imputed interest	(1,767)	(1,767)
Present value of lease liabilities	18,359	18,359
Maturities of Finance Lease Liabilities [Abstract]
2020	164	164
2021	163	163
2022	163	163
2023	163	163
2024	163	163
Thereafter	67	67
Total undiscounted cash flows	883	883
Less imputed interest	(137)	(137)
Present value of lease liabilities	$ 746	$ 746
Minimum [Member]
Lessee Description [Abstract]
Remaining lease term		1 year
Maximum [Member]
Lessee Description [Abstract]
Remaining lease term		8 years

COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Arezzo Revenue Agency [Member]
Legal Proceedings [Abstract]
Estimated liability	$ 12,000

SEGMENTS (Details) $ in Thousands	3 Months Ended		6 Months Ended
SEGMENTS (Details) $ in Thousands	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) Industry Segment	Jun. 30, 2018 USD ($)
SEGMENTS [Abstract]
Number of industry in which entity operates \| Industry			1
Number of reportable operating segments \| Segment			3
Summary of key financial data [Abstract]
Net sales	$ 127,416	$ 140,710	$ 252,805	$ 258,961
Income from operations	4,953	10,667	7,767	11,104
North America [Member]
Summary of key financial data [Abstract]
Net sales	67,066	71,240	131,653	130,696
Asia [Member]
Summary of key financial data [Abstract]
Net sales	39,324	45,914	76,601	84,535
Europe [Member]
Summary of key financial data [Abstract]
Net sales	21,026	23,556	44,551	43,730
Reportable Operating Segments [Member] \| North America [Member]
Summary of key financial data [Abstract]
Net sales	69,450	74,602	136,923	137,173
Income from operations	2,373	2,963	1,880	2,661
Reportable Operating Segments [Member] \| Asia [Member]
Summary of key financial data [Abstract]
Net sales	63,062	70,005	125,372	126,144
Income from operations	270	5,319	1,283	5,234
Reportable Operating Segments [Member] \| Europe [Member]
Summary of key financial data [Abstract]
Net sales	25,734	27,630	52,598	51,942
Income from operations	2,310	2,385	4,604	3,209
Intersegment Elimination [Member]
Summary of key financial data [Abstract]
Net sales	$ (30,830)	$ (31,527)	$ (62,088)	$ (56,298)