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Property and Equipment - Depreciation and Amortization on Property and Equipment Using the Straight-Line Method (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Property Plant And Equipment [Abstract]    
Office furniture and fixtures $ 1,613 $ 1,648
Software 5,870 5,674
Equipment 5,402 5,250
Leasehold improvements 1,811 1,658
Gross property and equipment 14,696 14,230
Less accumulated depreciation and amortization (11,774) (11,355)
Property and equipment, net $ 2,922 $ 2,875