Organization and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)		12 Months Ended
	Sep. 18, 2020	Dec. 31, 2020	Dec. 31, 2019
Organization And Summary Of Significant Accounting Policies [Line Items]
Accumulated deficit		$ (120,746,000)	$ (83,442,000)
Cash, cash equivalents and short-term investments		96,200,000
Working capital		98,000,000
Long-lived assets, impairment losses		$ 0	$ 0
Series C Convertible Preferred Stock
Organization And Summary Of Significant Accounting Policies [Line Items]
Warrant to purchase common stock	23,122
Minimum
Organization And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life		3 years
Maximum
Organization And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life		5 years
Common Stock
Organization And Summary Of Significant Accounting Policies [Line Items]
Shares issued		6,540,000
IPO | Common Stock
Organization And Summary Of Significant Accounting Policies [Line Items]
Shares issued	6,540,000
Shares issued, offering price per share	$ 13.00
Net proceeds from issuance	$ 76,900,000
Underwriter's discounts and commissions	6,000,000
Stock issuance costs	$ 2,200,000
Preferred stock automatically converted into Common Stock	16,685,014