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Business Segments and Geographic Information - Summary of Assets by Segment (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 114,776 $ 113,702
Data and analytics services [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 56,644 56,634
IT Staffing Services [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 58,132 $ 57,068