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 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 432,000 $ 296,000 $ 731,000 $ 580,000
Leased assets write off $ 0 24,000 $ 0 24,000
Accumulated depreciation   $ 24,000   $ 24,000