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Basic and Diluted Net Loss per Share - Antidilutive Securities (Details) - shares | 12 Months Ended
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Jan. 31, 2026 | Jan. 31, 2025 | Jan. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 6,597,257 | 5,416,348 | 5,433,071
2028 Convertible Notes (on an as-converted basis) |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 47,208 | 1,303,124 | 1,250,000
Options to purchase common stock |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 118,756 | 135,296 | 569,838
Restricted stock units |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 2,195,297 | 1,830,854 | 1,420,806
Unvested early exercised common stock options |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 0 | 0 | 33
2025 Warrants |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 1,671,000 | 0 | 0
Legacy Warrants |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 1,724,961 | 1,724,961 | 1,724,961
Employee stock purchase plan |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Total potentially dilutive common share equivalents (in shares) | 840,035 | 422,113 | 467,433

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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