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Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Thousands | Apr. 30, 2025 | Jan. 31, 2025 | Apr. 30, 2024 | Jan. 31, 2024
--- | --- | --- | --- | ---
Cash equivalents: |  |  |  |
Total cash and cash equivalents | $ 47,180 | $ 45,264 | $ 61,158 | $ 60,939
Cash |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Cash | 34,191 | 30,208 |  |
Money market funds |  |  |  |
Cash equivalents: |  |  |  |
Cash equivalents | $ 12,989 | $ 15,056 |  |

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