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Note 10 - Shareholders' Equity (Tables)
6 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
 
 
Stock Options
 
 
Stock Warrants
 
 
 
 
 
 
 
Weighted
 
 
 
 
 
 
Weighted
 
 
 
 
 
 
 
Average
 
 
 
 
 
 
Average
 
 
 
 
 
 
 
Exercise
 
 
 
 
 
 
Exercise
 
 
 
Options
 
 
Price
 
 
Warrants
 
 
Price
 
                                 
Outstanding, September 30, 2015
    875,977     $ 0.98       703,281     $ 4.38  
Granted
    129,000     $ 1.14       30,000     $ 4.00  
Exercised
    -     $ -       -       -  
Forfeited or expired
    (313,547 )   $ 3.95       (10,108 )     7.50  
Outstanding, March 31, 2016
    691,430     $ 3.08       723,173     $ 4.50