Operating Leases - ROU Assets and Lease Liability Obligations - Additional Information (Detail)			3 Months Ended		9 Months Ended
	Nov. 15, 2021	May 25, 2018	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Lease	Sep. 30, 2022 USD ($)
Lessee Lease Description [Line Items]
Operating lease number of leases | Lease					1
Lease Commencement Date					Mar. 01, 2022
Lease expiration date					Jul. 31, 2027
Operating lease expense | $			$ 84,000	$ 88,000	$ 255,000	$ 257,000
Operating lease option to extend term	5 years	3 years
Office Lease [Member]
Lessee Lease Description [Line Items]
Operating lease, option to extend					true
Operating lease option to extend term					5 years
Operating lease, option to extend, description					The Office Lease provides the Company with an option to extend the term of the Office Lease for a period of five years beyond the Term.