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 income (loss)	390			444			(54)
Other comprehensive income, net of tax:
Pension liability adjustment	99					99
Foreign currency translation adjustment	(4,568)					(4,592)	24
Unrealized derivative gain on cash flow hedges	698					698
Cash flow hedges reclassified to earnings	93					93
Issuance of common shares, net of share withheld for taxes	(466)		(2,254)		1,788
Stock-based compensation	1,183		1,183
Ending balance at Jun. 30, 2022	181,039	111	42,201	169,177	(8,391)	(22,547)	488
Beginning balance at Mar. 31, 2022	181,697	111	42,153	167,167	(9,200)	(19,117)	583
Increase (Decrease) in Stockholders' Equity
Net income (loss)	1,976			2,010			(34)
Other comprehensive income, net of tax:
Pension liability adjustment	50					50
Foreign currency translation adjustment	(3,688)					(3,627)	(61)
Unrealized derivative gain on cash flow hedges	147					147
Cash flow hedges reclassified to earnings	0
Issuance of common shares, net of share withheld for taxes	(68)		(877)		809
Stock-based compensation	925		925
Ending balance at Jun. 30, 2022	181,039	111	42,201	169,177	(8,391)	(22,547)	488
Beginning balance at Dec. 31, 2022	137,598	111	41,303	123,169	(6,240)	(21,165)	420
Increase (Decrease) in Stockholders' Equity
Net income (loss)	1,322			1,379			(57)
Other comprehensive income, net of tax:
Pension liability adjustment	81					81
Foreign currency translation adjustment	2,503					2,470	33
Unrealized derivative gain on cash flow hedges	78					78
Cash flow hedges reclassified to earnings	0
Purchase of common shares for treasury	(662)				(662)
Issuance of common shares, net of share withheld for taxes	(157)		(2,213)		2,056
Stock-based compensation	1,829		1,829
Ending balance at Jun. 30, 2023	142,592	111	40,919	124,548	(4,846)	(18,536)	396
Beginning balance at Mar. 31, 2023	137,014	111	40,951	121,017	(5,174)	(20,296)	405
Increase (Decrease) in Stockholders' Equity
Net income (loss)	3,493			3,531			(38)
Other comprehensive income, net of tax:
Pension liability adjustment	41					41
Foreign currency translation adjustment	1,252					1,223	29
Unrealized derivative gain on cash flow hedges	496					496
Cash flow hedges reclassified to earnings	0
Purchase of common shares for treasury	(662)				(662)
Issuance of common shares, net of share withheld for taxes	13		(977)		990
Stock-based compensation	945		945
Ending balance at Jun. 30, 2023	$ 142,592	$ 111	$ 40,919	$ 124,548	$ (4,846)	$ (18,536)	$ 396