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INTANGIBLE ASSETS - Summary of intangible assets (Details) - USD ($)
Sep. 30, 2017
Sep. 30, 2016
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Internally developed software (5-year useful life) $ 157,221 $ 411,199
Customer relationships (10-year useful life) 621,000 621,000
Intellectual property (5-15 years) 917,350 917,350
Intangible assets, gross 1,695,571 1,949,549
Less: Accumulated amortization 653,495 423,649
Intangible assets, net $ 1,042,076 $ 1,525,900