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Cash, Cash Equivalents and Restricted Cash (Tables) | 12 Months Ended
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Jan. 31, 2023
Cash and Cash Equivalents [Abstract] |
Amortized Cost, Unrealized Gain (Losses) nd Estimated Fair Values of Cash Equivalents and Short-term Investments | The amortized cost and estimated fair value of the Company’s cash, cash equivalents, and restricted cash as of January 31, 2022 and January 31, 2023 were as follows (in thousands):
| January 31, 2022
| Amortized Cost |  | Unrealized Gain |  | Unrealized Loss |  | Estimated Fair Value
Cash | $ | 42,500 |  |  | $ | — |  |  | $ | — |  |  | $ | 42,500 |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | 25,878 |  |  | — |  |  | — |  |  | 25,878 |
Certificates of deposit | 15,183 |  |  | — |  |  | — |  |  | 15,183 |
Total cash and cash equivalents | $ | 83,561 |  |  | $ | — |  |  | $ | — |  |  | $ | 83,561 |
| January 31, 2023
| Amortized Cost |  | Unrealized Gain |  | Unrealized Loss |  | Estimated Fair Value
Cash | $ | 38,789 |  |  | $ | — |  |  | $ | — |  |  | $ | 38,789 |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | 8,591 |  |  | — |  |  | — |  |  | 8,591 |
Certificates of deposit | 15,420 |  |  | — |  |  | — |  |  | 15,420 |
Restricted cash (1) | 3,700 |  |  | — |  |  | — |  |  | 3,700 |
Total cash, cash equivalents, and restricted cash | $ | 66,500 |  |  | $ | — |  |  | $ | — |  |  | $ | 66,500 |
(1)Related to an outstanding letter of credit. See Footnote 12 "Commitments and Contingencies" for further details regarding this letter of credit.

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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