Commitments and Contingencies - Additional Information (Detail)			3 Months Ended		9 Months Ended
	Nov. 15, 2021 USD ($) ft²	May 25, 2018 USD ($) ft²	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)
Commitments And Contingencies [Line Items]
Lease Commencement Date					Mar. 01, 2022
Lease expiration date					Jul. 31, 2027
Monthly base rent payments			$ 84,000	$ 88,000	$ 255,000	$ 257,000
Operating lease option to extend term	5 years	3 years
Office Lease [Member]
Commitments And Contingencies [Line Items]
Operating lease option to extend term					5 years
California [Member] | Office Lease [Member]
Commitments And Contingencies [Line Items]
Area of lease premises | ft²	7,940	7,149
Lease Commencement Date		Nov. 01, 2018
Lease expiration date		Jan. 31, 2022
Monthly base rent payments	$ 28,187	$ 27,000
Percentage of rent increase under lease	3.00%	3.00%