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Note 7 - Stock Options: (Detail) (USD $)
12 Months Ended 12 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Common Class A [Member]
Employee Plans [Member]
Dec. 31, 2013
Common Class A [Member]
Sep. 30, 2012
Directors Plans [Member]
Sep. 30, 2011
Directors Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 10 years           10 years      
Percentage of Stock Owned 10.00%                  
Common Stock Class A As a Percentage of Market Price 110.00%                  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit (in Dollars per share) $ 2.925                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) 42,000             100,000    
Share-based Compensation (in Dollars) $ 11,388 $ 12,615 $ 16,045           $ 11,388 $ 12,615
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term                 3 years  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                 3 years  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)       $ 543 $ 2,837 $ 6,465        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate   5.50%             5.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 10 years 10 years                
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00%                 0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 0.87% 0.75%