Condensed Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Follow on public offering	Follow on public offering Common Stock	Follow on public offering Additional Paid-in Capital	At the market offering	At the market offering Common Stock	At the market offering Additional Paid-in Capital
Beginning balance at Dec. 31, 2020	$ 345,843	$ 54	$ 544,353	$ (198,564)
Beginning balance, shares at Dec. 31, 2020		51,071,593
Exercise of stock options	487		487
Exercise of stock options (in shares)		267,208
Vesting of early exercised stock options	9		9
Issuance of common stock in connection follow-on public offering, net of issuance costs									$ 3,098
Issuance of common stock upon initial public offering or at-the-market offering, net of issuance costs									$ 3,098
Stock-based compensation expense	1,865		1,865
Unrealized gains (losses) on investments	(47)				$ (47)
Net Loss	(21,220)			(21,220)
Ending balance at Mar. 31, 2021	326,937	$ 54	546,714	(219,784)	(47)
Ending balance, shares at Mar. 31, 2021		51,338,801
Beginning balance at Dec. 31, 2021	284,018	$ 56	582,844	(298,641)	(241)
Beginning balance, shares at Dec. 31, 2021		53,031,978
Exercise of stock options	282		282
Exercise of stock options (in shares)		91,044
Vesting of early exercised stock options	2		2
Issuance of common stock in connection follow-on public offering, net of issuance costs						$ 107,622	$ 3	$ 107,619			$ 3,098
Issuance of common stock in connection follow-on public offering, net of issuance costs, shares							3,250,000			126,522
Issuance of common stock upon initial public offering or at-the-market offering, net of issuance costs						$ 107,622	$ 3	$ 107,619			$ 3,098
Issuance of common stock upon initial public offering or at-the-market offering, net of issuance costs (in shares)							3,250,000			126,522
Stock-based compensation expense	4,099		4,099
Unrealized gains (losses) on investments	(592)				(592)
Net Loss	(38,986)			(38,986)
Ending balance at Mar. 31, 2022	$ 359,543	$ 59	$ 697,944	$ (337,627)	$ (833)
Ending balance, shares at Mar. 31, 2022		56,499,544