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Business Segments and Geographic Information - Summary of Assets by Segment (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting, Asset Reconciling Item [Line Items]      
Total assets $ 108,879 $ 114,068 $ 102,046
Capital Expenditures 835 1,895 298
Depreciation & Amortization 4,195 3,979 3,589
Data and analytics services [Member]      
Segment Reporting, Asset Reconciling Item [Line Items]      
Total assets 54,544 56,634 55,792
Capital Expenditures 756 1,692 193
Depreciation & Amortization 2,860 2,662 2,245
IT Staffing Services [Member]      
Segment Reporting, Asset Reconciling Item [Line Items]      
Total assets 54,335 57,434 46,254
Capital Expenditures 79 203 105
Depreciation & Amortization $ 1,335 $ 1,317 $ 1,344