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Note 12 - Share-Based Compensation (Details) (USD $)
12 Months Ended 10 Months Ended 11 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Options And Stocks Available For Grant [Member]
2005 Equity Incentive Plan [Member]
Sep. 30, 2014
Employee Stock Option [Member]
Nov. 20, 2013
Employee Stock Option [Member]
Sep. 30, 2014
Employee Stock Option [Member]
May 31, 2012
President and Chief Executive Officer [Member]
Sep. 30, 2014
President and Chief Executive Officer [Member]
Sep. 30, 2014
2005 Equity Incentive Plan [Member]
Note 12 - Share-Based Compensation (Details) [Line Items]                  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares)                 3,250,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)                 4,999,564
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares) 2,530,535 2,394,476             2,530,535
Share Based Compensation Arrangement by Share Based Payment Award, Number of Shares Remaining in Plan (in Shares)                 763,634
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)     3,294,169            
Share-based Compensation $ 585,753 $ 736,378              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period       7 years 10 years        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized       400,000   400,000      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition           1 year 146 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)             750,000    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) $ 1.77           $ 1.33 $ 3.00  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value 1,791,695                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 1,280,014                
Share Price (in Dollars per share) $ 2.71                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value 840,284 391,238              
Proceeds from Stock Options Exercised 544,893 340,450              
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options $ 840,284 $ 391,238