Commitments and Contingencies - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended
	Nov. 30, 2019	Mar. 31, 2020
Non-cancelable operating sublease, expiration date for initial leased space		2025-01
Non-cancelable operating sublease, expiration date for expansion space leased		2022-12
Lessee, Operating Sublease, Existence of Option to Extend [true false]		true
Lessee, operating sublease, option to extend		options to extend for the entire premises through October 2028
Operating sublease, annual increase percentage for base rent		3.00%
Monthly base rent for permanent space	$ 63,425
Monthly base rent for temporary space	$ 28,745
Option to extend lease term of permanent space	12 months
Annual increase percentage for lease charges	3.00%
Lessee, operating lease, discount rate		7.00%
Weighted average remining lease term		4 years
Cash paid for operating lease liabilities		$ 800,000
Rent expense		$ 800,000
San Diego, California
Lease commencement date for permanent space	May 01, 2020
Lease expiration date for permanent space	Dec. 31, 2021
Lease commencement date for temporary space	Jan. 01, 2020