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Other Long-Term Obligations and Commitments - Additional Information (Detail) - USD ($)
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Lease period description The Company leases office facilities under operating leases and recognizes lease expense on a straight-line basis over the lease term. Leases assets and liabilities are initially recorded at commencement date based on the present value of lease payments over the lease term  
Rent expense for office space $ 563,000 $ 441,000
Lease Payments With in One Year 174,000  
Lease Payments Due Next year 251,000  
Lease payments due next two years 107,000  
Lease payments due next third years $ 27,000  
Weighted-average discount rate 5.50%  
Operating Lease Payments $ 499,000  
Operating Lease, Cost $ 468,000  
Minimum [Member]    
Operating lease remaining lease term 6 months  
Maximum [Member]    
Operating lease remaining lease term 30 months