Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Information (Summary of Plant and Equipment) (Details)

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Balance Sheet Information (Summary of Plant and Equipment) (Details) - USD ($)
Dec. 31, 2023
Sep. 30, 2023
Property, Plant and Equipment [Line Items]    
Total plant and equipment $ 5,413,964 $ 5,440,686
Less: accumulated depreciation and amortization (3,853,639) (3,787,954)
Plant and equipment, net 1,560,325 1,652,732
Manufacturing Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total plant and equipment $ 2,981,891 3,008,122
Manufacturing Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 5 years  
Manufacturing Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 8 years  
Office Equipment, Furniture And Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total plant and equipment $ 1,471,379 1,471,870
Office Equipment, Furniture And Fixtures [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 3 years  
Office Equipment, Furniture And Fixtures [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 10 years  
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total plant and equipment $ 960,694 $ 960,694
Leasehold Improvements [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 3 years  
Leasehold Improvements [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 8 years