v3.26.1
Nature of Business - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Jan. 31, 2026
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Cash and cash equivalents $ 39,282   $ 39,282   $ 57,307
Accumulated deficit (78,250)   (78,250)   $ (40,119)
Net loss (21,165) $ (44,100) (38,216) $ (71,058)  
Net cash used in operating activities     (27,959) $ (44,226)  
Strategic Restructuring Plan | Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrent          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Accrued severance and related benefits $ 2,300   $ 2,300