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Note 7 - Major Customer Concentration (Details Textual) - Accounts Receivable [Member] - Customer Concentration Risk [Member]
9 Months Ended 12 Months Ended
Jun. 30, 2016
Sep. 30, 2015
Customer B [Member]    
Concentration Risk, Percentage 24.00% 17.00%
Customer A [Member]    
Concentration Risk, Percentage   14.00%