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Business Segments and Geographic Information - Summary of Operating Segments (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Revenues: | $ 201,098 | $ 242,238 | $ 222,012
Gross Margin %: | 25.40% | 26.10% | 26.80%
Segment operating income (loss): | $ (9,275) | $ 12,199 | $ 17,610
Amortization of acquired intangible assets | (2,772) | (2,987) | (3,170)
Goodwill impairment | (5,300) | 0 | 0
Employment-related claim, net of recoveries | (3,100) | 0 | 0
Cybersecurity breach | 0 | (450) | 0
Severance expense | (2,350) | (990) | 0
Revaluation of contingent consideration liability | 0 | 0 | 2,882
Acquisition transaction expenses | 0 | 0 | (140)
Interest expense, FX gains/losses and other, net | 244 | 292 | (724)
Income (loss) before income taxes | (9,031) | 12,491 | 16,886
Data and Analytics Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues: | $ 34,358 | $ 40,594 | $ 38,339
Gross Margin %: | 43.50% | 41.50% | 48.40%
Goodwill impairment | $ (5,300) | $ 0 | $ 0
IT Staffing Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues: | $ 166,740 | $ 201,644 | $ 183,673
Gross Margin %: | 21.60% | 23.00% | 22.30%
Goodwill impairment | $ 0 | $ 0 | $ 0
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating income (loss): | 4,247 | 16,626 | 18,038
Operating Segments [Member] | Data and Analytics Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating income (loss): | (1,807) | 3,329 | 5,310
Operating Segments [Member] | IT Staffing Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating income (loss): | $ 6,054 | $ 13,297 | $ 12,728

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