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Equity Plans and Stock-based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 31, 2026	Jul. 31, 2026	Jan. 15, 2026
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation cost	$ 35.9	$ 35.9
Period for recognition (in years)		2 years
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved (in shares)	894,753	894,753
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved (in shares)	1,131,989	1,131,989
2021 Equity Incentive Plan \| Minimum \| Performance Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		4 years
2021 Equity Incentive Plan \| Maximum \| Performance Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		5 years
Inducement Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved (in shares)	103,561	103,561
Shares available for grant under inducement plan (in shares)			300,000
Shares issued (in shares)	196,439	196,439