Statements of Convertible Preferred Stock and Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Series A Convertible Preferred Stock	Series A-1 Convertible Preferred Stock	Series B Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2020	$ (38,147)				$ 1	$ 4,879	$ (43,014)	$ (13)
Beginning balance, shares at Dec. 31, 2020		40,000,000	28,000,000	62,499,993
Beginning balance at Dec. 31, 2020		$ 37,383	$ 34,272	$ 114,496
Beginning balance, shares at Dec. 31, 2020					7,087,130
Issuance of common stock upon exercise of stock options	123					123
Issuance of common stock upon exercise of stock options, shares					117,181
Stock-based compensation expense	835					835
Net loss	(9,299)						(9,299)
Unrealized (loss) gain on marketable securities	22							22
Ending balance at Mar. 31, 2021	(46,466)				$ 1	5,837	(52,313)	9
Ending balance, shares at Mar. 31, 2021		40,000,000	28,000,000	62,499,993
Ending balance at Mar. 31, 2021		$ 37,383	$ 34,272	$ 114,496
Ending balance, shares at Mar. 31, 2021					7,204,311
Beginning balance at Dec. 31, 2020	(38,147)				$ 1	4,879	(43,014)	(13)
Beginning balance, shares at Dec. 31, 2020		40,000,000	28,000,000	62,499,993
Beginning balance at Dec. 31, 2020		$ 37,383	$ 34,272	$ 114,496
Beginning balance, shares at Dec. 31, 2020					7,087,130
Net loss	(33,592)
Unrealized (loss) gain on marketable securities	42
Ending balance at Sep. 30, 2021	255,649				$ 4	332,222	(76,606)	29
Ending balance, shares at Sep. 30, 2021					40,712,723
Beginning balance at Dec. 31, 2020	(38,147)				$ 1	4,879	(43,014)	(13)
Beginning balance, shares at Dec. 31, 2020		40,000,000	28,000,000	62,499,993
Beginning balance at Dec. 31, 2020		$ 37,383	$ 34,272	$ 114,496
Beginning balance, shares at Dec. 31, 2020					7,087,130
Net loss	(47,800)
Ending balance at Dec. 31, 2021	$ 242,809				$ 4	333,730	(90,847)	(78)
Ending balance, shares at Dec. 31, 2021	39,763,049				40,913,049
Beginning balance at Mar. 31, 2021	$ (46,466)				$ 1	5,837	(52,313)	9
Beginning balance, shares at Mar. 31, 2021		40,000,000	28,000,000	62,499,993
Beginning balance at Mar. 31, 2021		$ 37,383	$ 34,272	$ 114,496
Beginning balance, shares at Mar. 31, 2021					7,204,311
Issuance of common stock, net of underwriting discounts and issuance costs	137,166				$ 1	137,165
Issuance of common stock, net of underwriting discounts and issuance costs, shares					8,825,000
Conversion of convertible preferred stock to common stock, value		$ (37,383)	$ (34,272)	$ (114,496)
Conversion of convertible preferred stock to common stock, shares		(40,000,000)	(28,000,000)	(62,499,993)
Conversion of convertible preferred stock to common stock, value	186,151				$ 2	186,149
Conversion of convertible preferred stock to common stock, shares					24,392,498
Issuance of contingent common stock, value	831					831
Issuance of contingent common stock, shares					48,889
Issuance of common stock upon exercise of stock options	102					102
Issuance of common stock upon exercise of stock options, shares					100,436
Stock-based compensation expense	896					896
Net loss	(11,352)						(11,352)
Unrealized (loss) gain on marketable securities	25							25
Ending balance at Jun. 30, 2021	267,353				$ 4	330,980	(63,665)	34
Ending balance, shares at Jun. 30, 2021					40,571,134
Issuance of common stock upon exercise of stock options	188					188
Issuance of common stock upon exercise of stock options, shares					141,589
Stock-based compensation expense	1,054					1,054
Net loss	(12,941)						(12,941)
Unrealized (loss) gain on marketable securities	(5)							(5)
Ending balance at Sep. 30, 2021	255,649				$ 4	332,222	(76,606)	29
Ending balance, shares at Sep. 30, 2021					40,712,723
Beginning balance at Dec. 31, 2021	$ 242,809				$ 4	333,730	(90,847)	(78)
Beginning balance, shares at Dec. 31, 2021	39,763,049				40,913,049
Issuance of common stock upon exercise of stock options	$ 131					131
Issuance of common stock upon exercise of stock options, shares					110,819
Stock-based compensation expense	2,197					2,197
Net loss	(18,259)						(18,259)
Unrealized (loss) gain on marketable securities	(848)							(848)
Ending balance at Mar. 31, 2022	226,030				$ 4	336,058	(109,106)	(926)
Ending balance, shares at Mar. 31, 2022					41,023,868
Beginning balance at Dec. 31, 2021	$ 242,809				$ 4	333,730	(90,847)	(78)
Beginning balance, shares at Dec. 31, 2021	39,763,049				40,913,049
Issuance of common stock upon exercise of stock options, shares	93,898
Net loss	$ (55,366)
Unrealized (loss) gain on marketable securities	(1,144)
Ending balance at Sep. 30, 2022	194,867
Ending balance at Sep. 30, 2022	$ 194,867				$ 4	342,298	(146,213)	(1,222)
Ending balance, shares at Sep. 30, 2022	40,331,913				41,481,913
Beginning balance at Mar. 31, 2022	$ 226,030				$ 4	336,058	(109,106)	(926)
Beginning balance, shares at Mar. 31, 2022					41,023,868
Issuance of common stock upon exercise of stock options	102					102
Issuance of common stock upon exercise of stock options, shares					101,851
Issuance of common stock under 2021 employee stock purchase plan	77					77
Issuance of common stock under 2021 employee stock purchase plan, shares					20,162
Stock-based compensation expense	2,846					2,846
Net loss	(18,096)						(18,096)
Unrealized (loss) gain on marketable securities	(217)							(217)
Ending balance at Jun. 30, 2022	210,742				$ 4	339,083	(127,202)	(1,143)
Ending balance, shares at Jun. 30, 2022					41,145,881
Issuance of common stock upon exercise of stock options	174					174
Issuance of common stock upon exercise of stock options, shares					181,644
Vesting of restricted stock units					154,388
Stock-based compensation expense	3,041					3,041
Net loss	(19,011)						(19,011)
Unrealized (loss) gain on marketable securities	(79)							(79)
Ending balance at Sep. 30, 2022	194,867
Ending balance at Sep. 30, 2022	$ 194,867				$ 4	$ 342,298	$ (146,213)	$ (1,222)
Ending balance, shares at Sep. 30, 2022	40,331,913				41,481,913