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Note 13 - Major Customers	6 Months Ended
Note 13 - Major Customers	Mar. 31, 2016
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	13. MAJOR CUSTOMERS For the three months ended March 31, 2016, revenues from one customer accounted for 20% of total revenues, and for the six months ended March 31, 2016, revenues from one customer accounted for 11% of total revenues, with no other single customer accounting for more than 10% of revenues. At March 31, 2016, accounts receivable from three customers accounted for 32%, 11% and 10% of total accounts receivable, respectively, with no other single customer accounting for more than 10% of the accounts receivable balance. For the three months ended March 31, 2015, revenues from three customers accounted for 21%, 17% and 15% of total revenues, respectively, and for the six months ended March 31, 2015, revenues from three customers accounted for 19%, 17% and 16% of total revenues, respectively, with no other single customer accounting for more than 10% of revenues. At March 31, 2015, accounts receivable from three customers accounted for 34%, 19% and 11% of total accounts receivable, respectively, with no other single customer accounting for more than 10% of the accounts receivable balance.