v3.26.1
Summary of Significant Accounting Policies - Concentrations (Details)
3 Months Ended 9 Months Ended
Jun. 30, 2026
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Jun. 30, 2025
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Jun. 30, 2026
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Jun. 30, 2025
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Concentration of Credit Risk        
Number of banks for maintenance of cash balances 2   2  
Customer Concentration Risk | Revenues Net        
Concentrations        
Number of major customers | customer 4 2 5 3
Supplier Concentration Risk | Inventory        
Concentrations        
Number of major suppliers 2 2 3 1
Customer One | Customer Concentration Risk | Revenues Net        
Concentrations        
Concentration of risk (as a percent) 21.00% 52.00% 20.00% 47.00%
Customer Two | Customer Concentration Risk | Revenues Net        
Concentrations        
Concentration of risk (as a percent) 10.00% 8.00% 9.00% 7.00%
Customer Three | Customer Concentration Risk | Revenues Net        
Concentrations        
Concentration of risk (as a percent) 8.00%   7.00% 5.00%
Customer Four | Customer Concentration Risk | Revenues Net        
Concentrations        
Concentration of risk (as a percent) 6.00%   6.00%  
Customer Five | Customer Concentration Risk | Revenues Net        
Concentrations        
Concentration of risk (as a percent)     6.00%