Condensed Consolidated Statement of Stockholders' Equity (Deficit) (unaudited) - USD ($) $ in Thousands	Total	Reclassification Adjustment	Common Stock	Treasury Stock	Additional Paid-in Capital	Additional Paid-in Capital Reclassification Adjustment	Accumulated Deficit
Balance (in shares) at Dec. 31, 2020			49,156,753	0
Balance at Dec. 31, 2020	$ (31,067)	$ (10,290)	$ 5	$ 0	$ 434,917	$ (10,290)	$ (465,989)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Net income (loss)	(27,907)						(27,907)
Share-based payments (in shares)			62,630
Share-based payments	597				597
Balance (in shares) at Mar. 31, 2021			49,219,383	0
Balance at Mar. 31, 2021	$ (68,667)		$ 5	$ 0	425,224		(493,896)
Balance (in shares) at Dec. 31, 2021	247,358,412		247,358,412	(318,086)
Balance at Dec. 31, 2021	$ 858,510		$ 25	$ (3,020)	1,508,995		(647,490)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Net income (loss)	(3,273)						(3,273)
Share-based payments (in shares)			102,630	(21,505)
Share-based payments	$ 3,272			$ (287)	3,559
Balance (in shares) at Mar. 31, 2022	247,461,042		247,461,042	(339,591)
Balance at Mar. 31, 2022	$ 858,509		$ 25	$ (3,307)	$ 1,512,554		$ (650,763)