Organization and Description of Business - Additional Information (Details) - USD ($)		12 Months Ended
	Jan. 10, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 31, 2020
Related Party Transaction [Line Items]
Accumulated deficit		$ (391,794,000)	$ (260,723,000)
Cash and cash equivalents		41,800,000	$ 28,122,000
Working capital		20,900,000
Aggregate offering amount		200,000,000
Aggregate offering amount				$ 200,000,000
Aggregate offering price, remaining		$ 132,600,000
Subsequent Event
Related Party Transaction [Line Items]
Gross proceeds	$ 1,200,000
Common Stock
Related Party Transaction [Line Items]
Issuance of common stock in initial public offering, net (in shares)		18,400,000	561,848
Common Stock | Subsequent Event
Related Party Transaction [Line Items]
Issuance of common stock in initial public offering, net (in shares)	500,000
SFJ Pharmaceuticals X, Ltd.
Related Party Transaction [Line Items]
Proceeds from partnership contribution		$ 28,700,000
Equity Distribution Agreement with Citigroup Global Markets Inc. and William Blair & Company, L.L.C.
Related Party Transaction [Line Items]
Aggregate offering amount		60,000,000
Aggregate offering amount				$ 60,000,000
Aggregate offering price, remaining		$ 57,000,000