Condensed 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, 2021	$ 183,610	$ 111	$ 43,272	$ 168,733	$ (10,179)	$ (18,845)	$ 518
Increase (Decrease) in Stockholders' Equity
Net loss	(1,586)			(1,566)			(20)
Other comprehensive income, net of tax:
Pension liability adjustment	49					49
Foreign currency translation adjustment	(880)					(965)	85
Unrealized derivative gain (loss) on cash flow hedges	551					551
Cash flow hedges reclassified to earnings	93					93
Issuance of common shares, net of share withheld for taxes	(398)		(1,377)		979
Stock-based compensation	258		258
Ending balance at Mar. 31, 2022	181,697	111	42,153	167,167	(9,200)	(19,117)	583
Beginning balance at Dec. 31, 2022	137,598	111	41,303	123,169	(6,240)	(21,165)	420
Increase (Decrease) in Stockholders' Equity
Net loss	(2,171)			(2,152)			(19)
Other comprehensive income, net of tax:
Pension liability adjustment	40					40
Foreign currency translation adjustment	1,251					1,247	4
Unrealized derivative gain (loss) on cash flow hedges	(418)					(418)
Cash flow hedges reclassified to earnings	0
Issuance of common shares, net of share withheld for taxes	(170)		(1,236)		1,066
Stock-based compensation	884		884
Ending balance at Mar. 31, 2023	$ 137,014	$ 111	$ 40,951	$ 121,017	$ (5,174)	$ (20,296)	$ 405