Term Loan - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2020	Apr. 28, 2020	Dec. 31, 2019
Class Of Warrant Or Right [Line Items]
Warrant exercise price	$ 11.3177		$ 1.4034
Loan availability end date	Oct. 28, 2021
Loan amount drawn	$ 0
Number of warrants exercised	$ 0
Deferred debt issuance cost	$ 100,000
Incremental expense	0
Debt issuance costs, gross	$ 200,000
Common Stock
Class Of Warrant Or Right [Line Items]
Number of securities called		5,301
Series B Convertible Preferred Stock [ Member ]
Class Of Warrant Or Right [Line Items]
Warrant exercise price		$ 1.4034
Number of securities called		42,753
Maximum
Class Of Warrant Or Right [Line Items]
Term loan to finance leasehold improvements		$ 12,000,000.0
Maximum | Common Stock
Class Of Warrant Or Right [Line Items]
Number of additional securities called		15,903
Maximum | Series B Convertible Preferred Stock [ Member ]
Class Of Warrant Or Right [Line Items]
Number of additional securities called		128,260
Minimum | Prime Rate
Class Of Warrant Or Right [Line Items]
Interest rate for term loan to finance leasehold improvements		0.25%