v3.26.1
Description of Business - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 15, 2026
Jul. 31, 2026
Apr. 30, 2026
Jan. 31, 2026
Jul. 31, 2025
Apr. 30, 2025
Jan. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Oct. 31, 2025
Description of Business [Line Items]                    
Net Income (Loss)   $ (32,501) $ (30,227) $ (29,752) $ (28,991) $ (25,815) $ (24,616) $ (92,480) $ (79,422)  
Cash flows from operating activities               78,347 $ 74,277  
Accumulated deficit   464,512           464,512   $ 372,032
Employee Severance                    
Description of Business [Line Items]                    
Percentage of workforce reduction estimated 50.00%                  
United States                    
Description of Business [Line Items]                    
Long-lived assets   5,500           5,500   7,200
Canada                    
Description of Business [Line Items]                    
Long-lived assets   $ 3,600           $ 3,600   $ 3,000