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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Tax Disclosure [Line Items] |  |  |  |
Valuation allowance | $ 22,738 | $ 14,281 | $ 11,814 |
Change in valuation allowance | 8,477 | 2,467 |  |
Undistributed earnings of foreign subsidiaries | $ 9,802 |  |  |
Federal research credits expire date | Dec. 31, 2040 |  |  |
Interest expense carryforwards | $ 1,499 |  |  |
Unrecognized tax benefits accounted for as a reduction in deferred tax assets | 66 |  |  |
Unrecognized tax benefits would affect the effective tax rate if recognized | 1,240 |  |  |
Unrecognized tax benefits | 1,306 | 1,190 | $ 6,900 |
Accrued interest and penalties related to unrecognized tax expense | 52 |  |  |
Accrued liability for Interest and penalties related to unrecognized tax benefits | 136 |  |  |
Federal |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Research and development tax credit | 99 |  |  |
California |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Research and development tax credit | 126 | 117 |  |
Expire Beginning in 2037 |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net operating loss carryovers | 9,939 |  |  |
Federal |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net operating loss carryovers | 92,262 | 56,805 |  | $ 82,323
State |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net operating loss carryovers | $ 27,577 | $ 12,418 |  |

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