Organization and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)		3 Months Ended
	Sep. 18, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Organization And Summary Of Significant Accounting Policies [Line Items]
Accumulated deficit		$ (135,514,000)		$ (120,746,000)
Cash, cash equivalents and short-term investments		84,500,000
Working capital		85,500,000
Long-lived assets, impairment losses		$ 0	$ 0
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
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