Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Beginning balance at Dec. 31, 2020	$ 176,830	$ 111	$ 44,583	$ 165,107	$ (12,703)	$ (20,268)	$ 0
Increase (Decrease) in Stockholders' Equity
Net income (loss)	3,543			3,626			(83)
Other comprehensive (loss) income, net of tax:
Pension liability adjustment	1,491					1,491
Foreign currency translation adjustment	(920)					(902)	(18)
Unrealized derivative loss on cash flow hedges	131					131
Cash flow hedges reclassified to earnings	703					703
Issuance of common shares net of shares withheld for taxes	(732)		(3,256)		2,524
Stock-based compensation	1,945		1,945
Investment of noncontrolling interest	619						619
Ending balance at Dec. 31, 2021	183,610	111	43,272	168,733	(10,179)	(18,845)	518
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(45,677)			(45,564)			(113)
Other comprehensive (loss) income, net of tax:
Pension liability adjustment	1,405					1,405
Foreign currency translation adjustment	(5,624)					(5,639)	15
Unrealized derivative loss on cash flow hedges	1,755					1,755
Cash flow hedges reclassified to earnings	159					159
Issuance of common shares net of shares withheld for taxes	(410)		(4,349)		3,939
Stock-based compensation	2,380		2,380
Ending balance at Dec. 31, 2022	$ 137,598	$ 111	$ 41,303	$ 123,169	$ (6,240)	$ (21,165)	$ 420