SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2020

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of changes in accumulated other comprehensive income (loss), by component

Changes in accumulated other comprehensive income (loss), by component, were as follows (in thousands):

	Projected
	Pension and
	Postretirement Benefit		Translation
	Obligations		Adjustment		Other		Total
Balance at December 31, 2017	$	3,127	$	355	$	264	$	3,746
Unrecognized actuarial gain (loss), net of tax of $0.6 million		(840)		—		—		(840)
Foreign currency translation adjustment		—		(4,390)		—		(4,390)
Adoption of ASU 2016-01		—		—		(203)		(203)
Interest rate swap		—		—		78		78
Balance at December 31, 2018	$	2,287	$	(4,035)	$	139	$	(1,609)
Unrecognized actuarial gain (loss), net of tax of $0.1 million		(445)		—		—		(445)
Foreign currency translation adjustment		—		(1,041)		—		(1,041)
Interest rate swap		—		—		(187)		(187)
Balance at December 31, 2019		1,842		(5,076)		(48)		(3,282)
Unrecognized actuarial gain (loss), net of tax of $0.1 million		(2,412)		—		—		(2,412)
Foreign currency translation adjustment		—		37		—		37
Interest rate swap		—		—		(101)		(101)
Reclassification of foreign currency losses on assets held for sale		—		—		6,036		6,036
Balance at December 31, 2020	$	(570)	$	(5,039)	$	5,887	$	278

Schedule of assets and liabilities of the Company measured at fair value on a recurring basis

	December 31, 2020
	Significant Other
	Quoted Prices in		Observable		Unobservable
	Active Markets		Inputs		Inputs
Description	(Level 1)		(Level 2)		(Level 3)		Total
Certificates of deposit	$	—	$	380	$	—	$	380
Money market funds		2,785		—		—		2,785
Other investments		—		—		13,357		13,357
Interest rate swap		—		(157)		—		(157)
Total assets and liabilities measured at fair value	$	2,785	$	223	$	13,357	$	16,365

	December 31, 2019
	Significant Other
	Quoted Prices in		Observable		Unobservable
	Active Markets		Inputs		Inputs
Description	(Level 1)		(Level 2)		(Level 3)		Total
Certificates of deposit	$	—	$	380	$	—	$	380
Money market funds		2,329		—		—		2,329
Short term investments		416		—		—		416
Other investments		—		—		12,700		12,700
Interest rate swap		—		(56)		—		(56)
Total assets and liabilities measured at fair value	$	2,745	$	324	$	12,700	$	15,769

Schedule of reconciliation from basic to diluted weighted average common shares outstanding

The reconciliation from basic to diluted weighted average shares of Common Stock outstanding is as follows (in thousands):

	Year ended December 31,
	2020	2019	2018
Basic weighted-average shares of common stock outstanding	15,923	15,983	15,988
Stock options	—	—	54
Diluted weighted-average shares of common stock outstanding	15,923	15,983	16,042