Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2020	0	53,551,126
Balance at Dec. 31, 2020	$ 0	$ 26	$ 201,598	$ (157,392)	$ (471)	$ 43,761
Options exercised (in shares)	0	157,304
Options exercised	$ 0	$ 0	212	0	0	212
Net loss — the Company				(9,259)		(9,259)
Loss attributable to non-controlling interest	0	0	0	0	(176)	(176)
Stock-based compensation	$ 0	$ 0	508	0	0	508
December 2020 Public Offering warrants exercise (in shares)	0	361,200
December 2020 Public Offering warrants exercise	$ 0	$ 0	903	0	0	903
Balance (in shares) at Mar. 31, 2021	0	54,069,630
Balance at Mar. 31, 2021	$ 0	$ 26	203,221	(166,651)	(647)	35,949
Balance (in shares) at Dec. 31, 2021	3,790,755	63,982,580
Balance at Dec. 31, 2021	$ 0	$ 27	221,321	(180,405)	653	$ 41,596
Options exercised (in shares)	0	16,464				16,464
Options exercised	$ 0	$ 0	23	0	0	$ 23
Net loss — the Company	0	0	0	(8,619)	0	(8,619)
Loss attributable to non-controlling interest	0	0	0	0	(17)	(17)
Stock-based compensation	$ 0	$ 0	443	0	0	443
Balance (in shares) at Mar. 31, 2022	3,790,755	63,999,044
Balance at Mar. 31, 2022	$ 0	$ 27	$ 221,787	$ (189,024)	$ 636	$ 33,426