Quarterly report pursuant to Section 13 or 15(d)

Contingent Liabilities (Narrative) (Details)

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Contingent Liabilities (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Feb. 29, 2024
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Other Commitments [Line Items]          
Product liability insurance, coverage amount   $ 10,000,000.0   $ 10,000,000.0  
Research and development expense   2,986,791 $ 17,860,701 4,636,841 $ 38,471,828
Adjustment [Member]          
Other Commitments [Line Items]          
Research and development expense     $ (5,003,932)   $ (3,137,154)
Commercial Dispute [Member]          
Other Commitments [Line Items]          
Amount supplier claimed was owed $ 10,000,000        
Accounts payable 8,300,000 900,000   900,000  
Other liabilities   5,000,000.0   5,000,000.0  
Commercial Dispute [Member] | Adjustment [Member]          
Other Commitments [Line Items]          
Research and development expense   $ (600,000)   $ (600,000)  
Payable Upon Execution Of Agreement [Member] | Commercial Dispute [Member]          
Other Commitments [Line Items]          
Accounts payable 2,300,000        
Payable In Equal Monthly Installments Over 48 Months [Member] | Commercial Dispute [Member]          
Other Commitments [Line Items]          
Accounts payable $ 3,500,000        
Payable term 48 months        
Payable On Or Prior To December 31, 2025 [Member] | Commercial Dispute [Member]          
Other Commitments [Line Items]          
Accounts payable $ 2,500,000        
All Or Portion Outstanding As Of December 31, 2025 [Member] | Commercial Dispute [Member]          
Other Commitments [Line Items]          
Payable term 24 months