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6. PLANT, PROPERTY AND EQUIPMENT (Tables)
12 Months Ended
Sep. 30, 2019
Property, Plant and Equipment [Abstract]  
Plant, property and equipment
    2019     2018  
Leased manufacturing facility   $ 21,183,756     $ 21,183,756  
Research equipment     3,320,358       3,162,151  
Furniture and equipment     125,872       124,369  
Leasehold improvements     149,239       131,910  
      24,779,225       24,602,186  
                 
Accumulated depreciation and amortization     (8,953,589 )     (8,383,335 )
                 
Net plant, property and equipment   $ 15,825,636     $ 16,218,851