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Note 11 - Income (Loss) Per Share (Details) - Basic and Diluted Earnings Per Share (USD $)
 3 Months Ended 9 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Numerator:        
Income (loss) available to common stockholders (in Dollars) $ 1,942,815 $ (1,108,410) $ 2,600,304 $ (1,668,164)
Denominator:        
Weighted average common shares outstanding 33,041,142 32,428,095 33,067,515 32,407,475
Assumed exercise of dilutive options and warrants 144,422 0 274,796 0
Weighted average dilutive shares outstanding 33,185,564 32,428,095 33,342,311 32,407,475
Basic income (loss) per common share (in Dollars per share) $ 0.06 $ (0.03) $ 0.08 $ (0.05)
Diluted income (loss) per common share (in Dollars per share) $ 0.06 $ (0.03) $ 0.08 $ (0.05)
Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive:        
Antidilutive securities excluded from computation of earnings per share 2,842,945 4,498,584 2,842,945 4,498,584
Options [Member]
        
Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive:        
Antidilutive securities excluded from computation of earnings per share 1,215,000 2,870,639 1,215,000 2,870,639
Warrant [Member]
        
Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive:        
Antidilutive securities excluded from computation of earnings per share 1,627,945 1,627,945 1,627,945 1,627,945