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Note 6 - Capital Stock, Treasury Stock, Contributed Capital and Stock Options: (Tables)
9 Months Ended
Jun. 30, 2012
Employee Plans [Member]
 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Employee Plans
 
Outstanding Stock Options Exercisable
   
Weighted Average Share Price
   
Weighted Average Remaining Life
 
Range of exercise prices:
                 
                   
$-
    -     $ -       -  
      -     $ -          
Directors Plans [Member]
 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Directors Plans
 
Outstanding Stock Options
   
Weighted Average Share Price
   
Weighted Average Remaining Life
   
Number of Stock Options Exercisable
   
Weighted Average Share Price
 
Range of exercise prices:                              
                                   
$ 2.925  -  5.25     23,000     $ 3.43       6.8       12,667     $ 3.84  
  6.00  -  7.25     11,000     $ 6.46       4.8       9,333     $ 6.55  
  10.50  -  11.00     8,000     $ 10.75       5.3       8,000     $ 10.75  
            42,000     $ 5.62               30,000     $ 6.52