Annual report pursuant to Section 13 and 15(d)

Property And Equipment (Summary of Property and Equipment) (Details)

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Property And Equipment (Summary of Property and Equipment) (Details) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 3,810,761 $ 4,305,970
Less: accumulated depreciation and amortization (3,458,866) (3,901,418)
Plant and equipment, net 351,895 404,552
Manufacturing Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 2,716,647 3,256,884
Manufacturing Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimate Useful Life P5Y  
Manufacturing Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimate Useful Life P8Y  
Office Equipment, Furniture And Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 795,228 761,400
Office Equipment, Furniture And Fixtures [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimate Useful Life P3Y  
Office Equipment, Furniture And Fixtures [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimate Useful Life P10Y  
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 298,886 $ 287,686
Leasehold Improvements [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimate Useful Life P3Y  
Leasehold Improvements [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimate Useful Life P8Y