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Provision Benefit for Income Taxes (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |  |
Foreign | $ 285 | $ 520 | $ 274
State | 36 | 5 |
Total current | 321 | 525 | 274
Federal | 2 | (18) | 23
State | 2 | (19) | 22
Total deferred | 4 | (37) | 45
Provision for income taxes | $ 325 | $ 488 | $ 319

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