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Note 6 - Property and Equipment (Details) - USD ($)
Jun. 30, 2015
Sep. 30, 2014
Machinery and Equipment [Member]    
Property and equipment, gross $ 939,048 $ 903,798
Furniture and Fixtures [Member]    
Property and equipment, gross 883,072 720,548
Leasehold Improvements [Member]    
Property and equipment, gross 67,913 61,863
Property and equipment, gross 1,890,033 1,686,209
Accumulated depreciation (1,434,646) (1,326,125)
Property and equipment, net $ 455,387 $ 360,084