Operating Leases - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jul. 31, 2020 |
Jul. 31, 2021 |
Jul. 31, 2020 |
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| Significant Accounting Policies [Line Items] | |||
| Net gain (loss) on termination of lease | $ 328 | ||
| Termination Agreement [Member] | |||
| Significant Accounting Policies [Line Items] | |||
| Termination payment made | $ 100 | $ 400 | |
| Non cash gain on operating lease | 300 | ||
| Net gain (loss) on termination of lease | $ (100) | ||
| Sublease expiration date | 2025-02 | ||
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- Definition Non cash gain on operating lease. No definition available.
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- Definition Significant Accounting Policies [Line Items] No definition available.
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- Definition Sublease expiration date. No definition available.
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- Definition Termination payments made No definition available.
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- Definition Amount of gain (loss) on termination of lease before expiration of lease term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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