Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)	Total	Convertible Preferred Stock	Series C-1 Convertible Preferred Stock	Series D-1 Convertible Preferred Stock	Series D-2 Convertible Preferred Stock	Series E-1 Convertible Preferred Stock	Series E-2 Convertible Preferred Stock	Series F-1 Convertible Preferred Stock	Series F-2 Convertible Preferred Stock	Series 1 Convertible Preferred Stock	Preferred Stock Series 1 Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Balance at Dec. 31, 2019	$ (21,140,000)												$ 60,636,000	$ (81,776,000)
Temporary Equity Balance, Shares at Dec. 31, 2019		37,871,430
Temporary Equity Balance at Dec. 31, 2019		$ 42,755,000
Balance, Shares at Dec. 31, 2019												2,115,583
Issuance of Common Stock upon exercise of stock options	16,000												16,000
Issuance of Common Stock upon exercise of stock options, Shares												10,671
Proceeds from second tranche convertible preferred stock, net of issuance costs			$ 18,333,000	$ 1,884,000	$ 4,710,000
Cancellation of third tranche convertible preferred stock, Shares			(9,314,766)	(955,666)	(2,387,171)
Issuance of convertible preferred stock, net of issuance costs						$ 16,943,000	$ 82,776,000	$ 38,496,000	$ 85,048,000
Issuance of convertible preferred stock, net of issuance costs, Shares						2,289,899	11,187,189	4,859,897	9,958,539
Stock-based compensation expense	3,683,000												3,683,000
Net loss	(91,130,000)													(91,130,000)
Balance at Dec. 31, 2020	$ (108,571,000)												64,335,000	(172,906,000)
Temporary Equity Balance, Shares at Dec. 31, 2020	53,509,351	53,509,351	13,404,197	1,437,178	10,372,452	2,289,899	11,187,189
Temporary Equity Balance at Dec. 31, 2020	$ 290,945,000	$ 290,945,000	$ 39,756,000	$ 3,561,000	$ 24,365,000	$ 16,943,000	$ 82,766,000
Balance, Shares at Dec. 31, 2020										0
Balance, Shares at Dec. 31, 2020	2,126,254											2,126,254
Issuance of Common Stock upon exercise of stock options	$ 1,444,000												1,444,000
Issuance of Common Stock upon exercise of stock options, Shares	789,225											789,225
Issuance of Common Stock pursuant to employee stock purchase plan	$ 439,000												439,000
Issuance of Common Stock pursuant to employee stock purchase plan, Shares												67,120
Issuance of Common Stock upon initial public offering, net of issuance costs of $21,349	232,548,000											$ 2,000	232,546,000
Issuance of Common Stock upon initial public offering, net of issuance costs, Shares												15,870,000
Conversion of convertible preferred stock into common stock and Series 1 convertible preferred stock upon initial public offering	290,946,000	$ (290,945,000)									$ 3,000	$ 1,000	290,942,000
Temporary Equity, Conversion of convertible preferred stock into common stock and Series 1 convertible preferred stock upon initial public offering, Shares		(53,509,351)									29,863,674	7,555,432
Stock-based compensation expense	9,207,000												9,207,000
Net loss	(192,036,000)													(192,036,000)
Balance at Dec. 31, 2021	$ 233,977,000										$ 3,000	$ 3,000	$ 598,913,000	$ (364,942,000)
Temporary Equity Balance, Shares at Dec. 31, 2021		0
Balance, Shares at Dec. 31, 2021										29,863,674	29,863,674
Balance, Shares at Dec. 31, 2021	26,408,031											26,408,031