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Note 7 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Cost $ 108,247 $ 108,247
Accumulated amortization (52,558) (45,342)
Intangible assets, net 55,689 62,905
Amortization expense $ 7,216 $ 6,752