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Supplemental Financial Statement Information - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Property, Plant and Equipment [Line Items] |  |  |  |
Capitalized software development costs | $ 1,000,000.0 |  | $ 1,000,000.0 |
Depreciation and amortization expense | $ 357,000 | $ 278,000 | $ 1,000,000.0 | $ 965,000
Software and Software Development Costs |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated life |  |  | 3 years |

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