v3.26.1
Condensed Consolidated Statements of Changes in Stockholders’ Equity (Deficit) - USD ($)
$ in Millions
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance (in shares) at Jan. 31, 2025   3,916,932    
Beginning balance at Jan. 31, 2025 $ (182.5) $ 0.0 $ 940.5 $ (1,123.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock issued under stock incentive plan (in shares)   64,563    
Share-based compensation expense 1.5   1.5  
Net loss (26.1)     (26.1)
Ending balance (in shares) at Apr. 30, 2025   3,981,495    
Ending balance at Apr. 30, 2025 (207.1) $ 0.0 942.0 (1,149.1)
Beginning balance (in shares) at Jan. 31, 2026   33,390,904    
Beginning balance at Jan. 31, 2026 (36.1) $ 0.0 1,064.3 (1,100.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock issued under stock incentive plan (in shares)   28,509    
Stock issued related to the ATM offering, net of issuance costs (in shares)   45,358    
Stock issued related to the ATM offering, net of issuance costs 0.2   0.2  
Share-based compensation expense 1.5   1.5  
Net loss (18.9)     (18.9)
Ending balance (in shares) at Apr. 30, 2026   33,464,771    
Ending balance at Apr. 30, 2026 $ (53.3) $ 0.0 $ 1,066.0 $ (1,119.3)