Severance and Restructuring Costs - Additional Information (Details) - USD ($) |
3 Months Ended | |
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Apr. 30, 2023 |
Apr. 30, 2022 |
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| Restructuring Cost and Reserve [Line Items] | ||
| Severance and restructuring costs | $ 44,000 | $ 165,000 |
| Maximum [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Severance and restructuring costs | $ 100,000 | |
| Board and Employee-related Termination Benefits [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Severance and restructuring costs | $ 200,000 | |
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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