CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020		64,625,000
Beginning balance at Dec. 31, 2020	$ 127,104	$ 103	$ 270,800	$ 44	$ (143,843)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(14,778)				(14,778)
Foreign currency translation gain	(32)			(32)
Stock-based compensation	13,670		13,670
Ending balance (in shares) at Mar. 31, 2021		64,625,000
Ending balance at Mar. 31, 2021	$ 125,964	$ 103	284,470	12	(158,621)
Beginning balance (in shares) at Dec. 31, 2021	66,767,450	66,767,000
Beginning balance at Dec. 31, 2021	$ 180,254	$ 105	367,153	(27)	(186,977)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(14,983)				(14,983)
Foreign currency translation gain	29			29
Vesting of restricted stock unit awards, net of shares withheld to cover tax withholding (in shares)		1,100,000
Vesting of restricted stock unit awards, net of shares withheld to cover tax withholding	(2,886)	$ 1	(2,887)
Stock-based compensation	$ 12,647		12,647
Ending balance (in shares) at Mar. 31, 2022	67,867,500	67,867,000
Ending balance at Mar. 31, 2022	$ 175,061	$ 106	$ 376,913	$ 2	$ (201,960)