Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020		43,059,632
Beginning balance at Dec. 31, 2020	$ 280,791	$ 4	$ 464,597	$ 13	$ (183,823)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		49,328
Exercise of stock options and release of stock units	166		166
Stock-based compensation	3,845		3,845
Unrealized loss on marketable securities	(107)			(107)
Net loss	(20,971)				(20,971)
Other	(19)		(19)
Ending balance (in shares) at Mar. 31, 2021		43,108,960
Ending balance at Mar. 31, 2021	263,705	$ 4	468,589	(94)	(204,794)
Beginning balance (in shares) at Dec. 31, 2020		43,059,632
Beginning balance at Dec. 31, 2020	280,791	$ 4	464,597	13	(183,823)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unrealized loss on marketable securities	(82)
Net loss	(43,551)
Ending balance (in shares) at Jun. 30, 2021		48,380,059
Ending balance at Jun. 30, 2021	416,427	$ 5	643,865	(69)	(227,374)
Beginning balance (in shares) at Mar. 31, 2021		43,108,960
Beginning balance at Mar. 31, 2021	263,705	$ 4	468,589	(94)	(204,794)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net (in shares)		4,887,500
Issuance of common stock, net	169,483	$ 1	169,482
Shares issued upon warrant exercise - related party (in shares)		256,038
Exercise of stock options (in shares)		126,150
Exercise of stock options and release of stock units	539		539
Stock-based compensation	5,175		5,175
Unrealized loss on marketable securities	25			25
Net loss	(22,580)				(22,580)
Other (in shares)		1,411
Other	80		80
Ending balance (in shares) at Jun. 30, 2021		48,380,059
Ending balance at Jun. 30, 2021	416,427	$ 5	643,865	(69)	(227,374)
Beginning balance (in shares) at Dec. 31, 2021		48,688,875
Beginning balance at Dec. 31, 2021	389,606	$ 5	658,091	(775)	(267,715)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		52,707
Exercise of stock options and release of stock units	260		260
Issuances of common stock under 2020 ESPP (in shares)		8,028
Issuances of common stock under 2020 ESPP	220		220
Stock-based compensation	8,879		8,879
Unrealized loss on marketable securities	(2,875)			(2,875)
Net loss	(31,620)				(31,620)
Other (in shares)		1,880
Other	59		59
Ending balance (in shares) at Mar. 31, 2022		48,751,490
Ending balance at Mar. 31, 2022	364,529	$ 5	667,509	(3,650)	(299,335)
Beginning balance (in shares) at Dec. 31, 2021		48,688,875
Beginning balance at Dec. 31, 2021	389,606	$ 5	658,091	(775)	(267,715)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unrealized loss on marketable securities	(3,806)
Net loss	(59,032)
Ending balance (in shares) at Jun. 30, 2022		48,877,652
Ending balance at Jun. 30, 2022	344,593	$ 5	675,916	(4,581)	(326,747)
Beginning balance (in shares) at Mar. 31, 2022		48,751,490
Beginning balance at Mar. 31, 2022	364,529	$ 5	667,509	(3,650)	(299,335)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		124,677
Exercise of stock options and release of stock units	259		259
Stock-based compensation	8,109		8,109
Unrealized loss on marketable securities	(931)			(931)
Net loss	(27,412)				(27,412)
Other (in shares)		1,485
Other	39		39
Ending balance (in shares) at Jun. 30, 2022		48,877,652
Ending balance at Jun. 30, 2022	$ 344,593	$ 5	$ 675,916	$ (4,581)	$ (326,747)