Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)
Beginning balance (in shares) at Dec. 31, 2020		73,314,026,000
Beginning balance at Dec. 31, 2020	$ 300,252	$ 7	$ 369,467	$ (69,222)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		521,511,000
Issuance of common stock upon exercise of stock options	1,492		1,492
Issuance of common stock upon settlement of restricted stock units (in shares)		308,000
Exercise of common stock warrants (in shares)		72,407,000
Stock-based compensation expense	8,744		8,744
Net income	10,102			10,102
Ending balance (in shares) at Mar. 31, 2021		73,908,252,000
Ending balance at Mar. 31, 2021	$ 320,590	$ 7	379,703	(59,120)
Beginning balance (in shares) at Dec. 31, 2021	83,659,665	83,659,665,000
Beginning balance at Dec. 31, 2021	$ 807,078	$ 8	740,849	66,221
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	888,961,000	888,961,000
Issuance of common stock upon exercise of stock options	$ 5,626	$ 1	5,625
Issuance of common stock upon settlement of restricted stock units (in shares)		80,226,000
Issuance of common stock under employee stock purchase plan (in shares)		47,894,000
Issuance of common stock under employee stock purchase plan	4,431		4,431
Stock-based compensation expense	26,677		26,677
Net income	$ 32,692			32,692
Ending balance (in shares) at Mar. 31, 2022	84,676,746	84,676,746,000
Ending balance at Mar. 31, 2022	$ 876,504	$ 9	$ 777,582	$ 98,913