Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2020	$ 84,999	$ 18,312	$ 170,318	$ (43,371)	$ (68,695)	$ 8,435
Stock-based compensation	546		546
Comprehensive income (loss)
Net income (loss)	314			167		147
Other comprehensive (loss) income	(458)				(492)	34
Comprehensive loss	(144)					181
Shareholder exercise of warrants (Note 9)	3,101	539	2,562
Issuance of common stock excluding excess tax benefits	(19)	6	(25)
Ending Balance at Mar. 31, 2021	88,483	18,857	173,401	(43,204)	(69,187)	8,616
Beginning Balance at Dec. 31, 2021	91,806	19,184	174,561	(56,066)	(55,106)	9,233
Stock-based compensation	287		287
Comprehensive income (loss)
Net income (loss)	1,609			1,645		(36)
Other comprehensive (loss) income	(1,755)				(1,783)	28
Comprehensive loss	(146)					(8)
Issuance of common stock excluding excess tax benefits	(17)	7	(24)
Ending Balance at Mar. 31, 2022	$ 91,930	$ 19,191	$ 174,824	$ (54,421)	$ (56,889)	$ 9,225