CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Non-Controlling Interest [Member]	Total
Beginning balance at Dec. 31, 2019	$ 78	$ 4,310	$ 6	$ (145,530)	$ 4,514	$ (136,622)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	0	0	0	(2,244)	784	(1,460)
Foreign currency translation loss	0	0	(1)	0	0	(1)
Ending balance at Mar. 31, 2020	78	4,310	5	(147,774)	5,298	(138,083)
Beginning balance at Dec. 31, 2020	103	270,800	44	(143,843)	0	127,104
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	0	0	0	(14,778)	0	(14,778)
Foreign currency translation loss	0	0	(32)	0	0	(32)
Stock-based compensation	0	13,670	0	0	0	13,670
Ending balance at Mar. 31, 2021	$ 103	$ 284,470	$ 12	$ (158,621)	$ 0	$ 125,964