v3.26.1
Stock-Based Compensation and Equity Grants - Performance Based Awards (Details) - $ / shares
9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility 50.00%  
December 2025 Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Minimum average price (in dollars per share) $ 12.62  
December 2024 Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Minimum average price (in dollars per share) $ 23.04  
Revenue | December 2025 Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (years) 3 years  
Calculated fair value (in dollars per share) $ 1.38  
Revenue | December 2024 Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (years) 3 years  
Calculated fair value (in dollars per share) $ 0.65  
Stock price | December 2025 Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (years) 3 years  
Calculated fair value (in dollars per share) $ 1.74  
Stock price | December 2024 Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (years) 3 years  
Calculated fair value (in dollars per share) $ 1.67  
Restricted Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (years) 3 years 3 years
Number of restricted units granted (in shares) 550,855 312,906
Restricted Stock Units | Non-employee directors    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of restricted units granted (in shares) 67,615 61,525