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Commitments and Contingencies - Additional Information (Detail) - USD ($) | Jul. 31, 2023 | Jan. 31, 2023
--- | --- | ---
Loss Contingencies [Line Items] |  |
Total manufacturing purchase commitments | $ 24,600,000 | $ 43,600,000
Liabilities of purchase commitments | 900,000 | 2,900,000
Indemnification agreement [Member] |  |
Loss Contingencies [Line Items] |  |
Payments under indemnification obligations | 0 |
Liabilities recorded under indemnification obligations | 0 | 0
Other Matters [Member] |  |
Loss Contingencies [Line Items] |  |
Liabilities recorded under indemnification obligations | $ 0 | $ 0

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