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Common Stock (Details Textual) - USD ($)
 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Class of Stock [Line Items]      
Treasury Stock, Shares, Acquired 225,280 101,330 192,455
Debt Conversion, Converted Instrument, Amount $ 2,358,000 $ 2,969,000 $ 0
Debt Conversion, Converted Instrument, Shares Issued 233,000 294,000 0
Treasury Stock, Value, Acquired, Cost Method $ 2,300,000 $ 1,200,000 $ 1,600,000
Common Stock, Value, Issued $ 103,000 $ 101,000  
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period 10,000 370,000 0
Stock Issued During Period, Value, Stock Options Exercised $ 87,000 $ 3,126,000  
Drink Robust, Inc [Member]      
Class of Stock [Line Items]      
Shares, Issued 200,000    
Common Stock, Value, Issued $ 2,400,000    
Acquisitions [Member]      
Class of Stock [Line Items]      
Shares, Issued     100,000
Common Stock, Value, Issued     $ 863,000