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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Deferred tax assets: |  |  |
Allowance for doubtful accounts | $ 126 | $ 112 |
Accrued vacation and bonuses | 342 | 419 |
Stock-based compensation expense | 1,692 | 1,274 |
COVID-19 payroll tax deferment | 0 | 628 |
Acquisition-related transaction costs | 509 | 540 |
Net operating losses | 559 | 311 |
Total deferred tax assets | 3,228 | 3,284 |
Deferred tax liabilities: |  |  |
Prepaid expenses | 441 | 233 |
Depreciation, intangibles and contingent consideration | 3,148 | 3,005 |
Total deferred tax liabilities | 3,589 | 3,238 |
Valuation allowance | (559) | (311) | $ (179)
Net deferred tax liability | $ (920) | $ (265) |

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