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Income Taxes - Narrative (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Operating Loss Carryforwards [Line Items] |  |
Increase in valuation allowance | $ 6,900,000 | $ 1,900,000
Federal operating loss carryforward | 97,800,000 |
Operating loss carryforward, state | 36,800,000 |
Operating loss carryforward, foreign | 6,700,000 |
Unrecognized tax benefits | 0 | $ 0
Domestic Tax Authority |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforward subject to expiration | 44,900,000 |
Operating loss carryforward not subject to expiration | 52,900,000 |
Foreign Tax Authority |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforward, research | $ 0 |

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