Basic and Diluted Net Loss per Share - Antidilutive Securities (Details) - shares	3 Months Ended
	Apr. 30, 2026	Apr. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common share equivalents (in shares)	6,125,025	5,290,215
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)	49,214	1,358,507
Options to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common share equivalents (in shares)	115,611	125,613
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common share equivalents (in shares)	1,758,405	1,654,412
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
Legacy Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common share equivalents (in shares)	1,724,961	1,724,971
Employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common share equivalents (in shares)	805,834	426,712