Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Retained Deficit	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of year (in shares) at Dec. 31, 2021		10,294,824
Balance at beginning of year at Dec. 31, 2021	$ 165,769	$ 10,318	$ 197,057	$ (33,142)	$ (10,033)	$ 1,569
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,537)			(2,537)
Foreign currency translation adjustment	171					171
Shares issued (in shares)		6,065
Shares issued	0	$ 6	(6)
Tax withholdings related to net share settlements of stock-based compensation awards (in shares)		(889)
Tax withholdings related to net share settlements of stock-based compensation awards	0		33		(33)
Other	(95)		(95)
Balance at end of period (in shares) at Mar. 31, 2022		10,300,000
Balance at end of period at Mar. 31, 2022	$ 163,308	$ 10,324	196,989	(35,679)	(10,066)	1,740
Balance at beginning of year (in shares) at Dec. 31, 2022	19,730,362	19,416,784
Balance at beginning of year at Dec. 31, 2022	$ 562,995	$ 19,417	591,796	(25,736)	(12,526)	(9,956)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	5,907			5,907
Foreign currency translation adjustment	2,624					2,624
Stock-based compensation	773		773
Stock-based compensation liability paid in shares	227		227
Shares issued (in shares)		11,144
Shares issued	0	$ 11	(11)
Settlement of earnout (in shares)		1,700,000
Shares issued - earnout	0	$ 1,700	(1,700)
Tax withholdings related to net share settlements of stock-based compensation awards (in shares)		(2,639)
Tax withholdings related to net share settlements of stock-based compensation awards	(117)	$ (3)	3		(117)
Other	$ 0		204	(4)		(200)
Balance at end of period (in shares) at Mar. 31, 2023	21,441,506	21,125,289
Balance at end of period at Mar. 31, 2023	$ 572,409	$ 21,125	$ 591,292	$ (19,833)	$ (12,643)	$ (7,532)