Quarterly report pursuant to Section 13 or 15(d)

Furniture, Equipment and Leasehold Improvements, Net - Additional Information (Detail)

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Furniture, Equipment and Leasehold Improvements, Net - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 434,000 $ 373,000 $ 1,301,000 $ 1,104,000
Leased assets write off 236,000 $ 0 236,000 $ 0
Accumulated depreciation $ 236,000   $ 236,000