Condensed Consolidated Statements of Shareholders' (Deficit) Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income
Beginning of period (in shares) at Dec. 31, 2021		2,661,386
Beginning, treasury stock (in shares) at Dec. 31, 2021			(43,989)
Beginning of period at Dec. 31, 2021	$ 32,693	$ 3,064	$ (48)	$ 223,103	$ (200,403)	$ 6,977
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	502			502
Net loss	(7,471)				(7,471)
Foreign currency translation adjustment	1,093					1,093
End of period (in shares) at Mar. 31, 2022		2,661,386
End of period, treasury stock (in shares) at Mar. 31, 2022			(43,989)
End of period at Mar. 31, 2022	$ 26,817	$ 3,064	$ (48)	223,605	(207,874)	8,070
Beginning of period (in shares) at Dec. 31, 2022	2,623,820	2,661,386
Beginning, treasury stock (in shares) at Dec. 31, 2022	(37,566)		(37,566)
Beginning of period at Dec. 31, 2022	$ (6,786)	$ 3,064	$ (42)	224,506	(244,593)	10,279
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	173			173
Treasury stock issued pursuant to equity-based plans (in shares)			1,656
Treasury stock issued pursuant to equity-based plans	(13)		$ 2	(15)
Net loss	(4,359)				(4,359)
Foreign currency translation adjustment	$ (1,115)					(1,115)
End of period (in shares) at Mar. 31, 2023	2,625,476	2,661,386
End of period, treasury stock (in shares) at Mar. 31, 2023	(35,910)		(35,910)
End of period at Mar. 31, 2023	$ (12,100)	$ 3,064	$ (40)	$ 224,664	$ (248,952)	$ 9,164