Liabilities, Other - Summary of Liabilities, Other (Detail) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Other Liabilities Disclosure [Abstract]
Accrued professional fees	$ 135,000	$ 157,000
Deposits and prepaid rent	173,000	146,000
Other	90,000	27,000
Liabilities, other	$ 398,000	$ 330,000