Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Limited Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Non Controlling Interest
Beginning Balance at Dec. 31, 2020	$ 624,019	$ 607	$ 92	$ 752,558	$ (129,559)	$ 317	$ 4
Beginning Balance, Shares at Dec. 31, 2020		60,713,534	9,164,193
Change in unrealized loss on marketable securities	(240)					(240)
Issuances of common stock upon stock option exercise	3,656	$ 6		3,650
Issuances of common stock upon stock option exercise, Shares		587,141
Stock-based compensation	4,366			4,366
Contributions by non-controlling interest	498						498
Net income (loss)	(523)				(29)		(494)
Ending Balance at Mar. 31, 2021	631,776	$ 613	$ 92	760,574	(129,588)	77	8
Ending Balance, Shares at Mar. 31, 2021		61,300,675	9,164,193
Beginning Balance at Dec. 31, 2021	557,085	$ 618	$ 92	786,964	(229,952)	(651)	14
Beginning Balance, Shares at Dec. 31, 2021		61,834,515	9,164,193
Change in unrealized loss on marketable securities	(2,006)					(2,006)
Issuances of common stock upon stock option exercise	908	$ 2		906
Issuances of common stock upon stock option exercise, Shares		137,885
Stock-based compensation	9,134			9,134
Net income (loss)	(34,451)				(34,440)		(11)
Ending Balance at Mar. 31, 2022	$ 530,670	$ 620	$ 92	$ 797,004	$ (264,392)	$ (2,657)	$ 3
Ending Balance, Shares at Mar. 31, 2022		61,972,400	9,164,193