Condensed Statements of Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	AOCI Attributable to Parent [Member]
Beginning balance at Dec. 31, 2020	$ 382,877	$ 3	$ 479,608	$ (96,734)
Beginning balance, shares at Dec. 31, 2020		34,701,274
Exercise of common stock options and vesting of early exercised common stock options	254		254
Exercise of common stock options and vesting of early exercised common stock options, Shares		125,930
Stock-based compensation	4,285		4,285
Net loss and comprehensive loss	(18,867)			(18,867)
Ending balance at Mar. 31, 2021	368,549	$ 3	484,147	(115,601)	$ 0
Ending balance, shares at Mar. 31, 2021		34,827,204
Beginning balance at Dec. 31, 2020	382,877	$ 3	479,608	(96,734)
Beginning balance, shares at Dec. 31, 2020		34,701,274
Net loss and comprehensive loss	(43,363)
Ending balance at Jun. 30, 2021	349,650	$ 4	489,743	(140,097)	0
Ending balance, shares at Jun. 30, 2021		34,963,085
Beginning balance at Mar. 31, 2021	368,549	$ 3	484,147	(115,601)	0
Beginning balance, shares at Mar. 31, 2021		34,827,204
Exercise of common stock options, shares issued under the employee stock purchase plan, and vesting of early exercised common stock options	867	$ 1	866
Exercise of common stock options, shares issued under the employee stock purchase plan, and vesting of early exercised common stock options, Shares		135,881
Stock-based compensation	4,730		4,730
Net loss and comprehensive loss	(24,496)			(24,496)
Ending balance at Jun. 30, 2021	349,650	$ 4	489,743	(140,097)	0
Ending balance, shares at Jun. 30, 2021		34,963,085
Beginning balance at Dec. 31, 2021	$ 313,815	$ 4	500,349	(186,212)	(326)
Beginning balance, shares at Dec. 31, 2021	35,107,651	35,107,651
Exercise of common stock options and vesting of early exercised common stock options	$ 19		19
Exercise of common stock options and vesting of early exercised common stock options, Shares		15,679
Stock-based compensation	4,949		4,949
Other comprehensive income loss	(922)				(922)
Net loss and comprehensive loss	(24,631)			(24,631)
Ending balance at Mar. 31, 2022	293,230	$ 4	505,317	(210,843)	(1,248)
Ending balance, shares at Mar. 31, 2022		35,123,330
Beginning balance at Dec. 31, 2021	$ 313,815	$ 4	500,349	(186,212)	(326)
Beginning balance, shares at Dec. 31, 2021	35,107,651	35,107,651
Exercise of common stock options and vesting of early exercised common stock options, Shares	14,459
Net loss and comprehensive loss	$ (44,060)
Ending balance at Jun. 30, 2022	$ 278,791	$ 4	510,607	(230,272)	(1,548)
Ending balance, shares at Jun. 30, 2022	35,169,725	35,169,725
Beginning balance at Mar. 31, 2022	$ 293,230	$ 4	505,317	(210,843)	(1,248)
Beginning balance, shares at Mar. 31, 2022		35,123,330
Exercise of common stock options, shares issued under the employee stock purchase plan, and vesting of early exercised common stock options	150		150
Exercise of common stock options, shares issued under the employee stock purchase plan, and vesting of early exercised common stock options, Shares		46,395
Stock-based compensation	5,140		5,140
Other comprehensive income loss	(300)				(300)
Net loss and comprehensive loss	(19,429)			(19,429)
Ending balance at Jun. 30, 2022	$ 278,791	$ 4	$ 510,607	$ (230,272)	$ (1,548)
Ending balance, shares at Jun. 30, 2022	35,169,725	35,169,725