Condensed Consolidated Statements of Changes In Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
Balance, beginning of period at Dec. 31, 2022		$ 378	$ 406,436	$ (353,125)	$ (4,328)
Vesting of restricted stock		1	(1)
Stock-based compensation expense			2,544
Stock option exercises			0
Net income (loss)	$ (334)			(334)
Restricted stock vesting and withholding				(27)
Foreign currency translation adjustment	3,413				3,413
Balance, end of period at Mar. 31, 2023	54,957	379	408,979	(353,486)	(915)
Balance, beginning of period at Dec. 31, 2023	67,667	389	417,689	(353,044)	2,633
Vesting of restricted stock		4	(4)
Stock-based compensation expense			2,106
Stock option exercises			50
Net income (loss)	4,345			4,345
Restricted stock vesting and withholding				(2,151)
Foreign currency translation adjustment	922				922
Balance, end of period at Mar. 31, 2024	$ 72,939	$ 393	$ 419,841	$ (350,850)	$ 3,555