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Business Segments and Geographic Information - Summary of Assets by Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | $ 90,584 | $ 92,584 | $ 98,604
Capital Expenditures | 1,014 | 771 | 1,439
Depreciation & Amortization | 3,434 | 3,182 | 1,942
Data and Analytics Services [Member] |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 41,527 | 43,182 | 53,683
Capital Expenditures | 203 | 175 | 11
Depreciation & Amortization | 2,078 | 2,051 | 925
IT Staffing Services [Member] |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 49,057 | 49,402 | 44,921
Capital Expenditures | 811 | 596 | 1,428
Depreciation & Amortization | $ 1,356 | $ 1,131 | $ 1,017

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