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Note 5 - Stock Options (Tables)
3 Months Ended
Feb. 29, 2016
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
For the three months ended:
 
   
February 29, 2016
   
February 28, 2015
 
Options outstanding at beginning of year
    237,500       314,400  
Granted
    -       -  
Forfeited or expired
    (62,500 )     (56,900 )
Exercised
    -       -  
Outstanding at end of period
    175,000       257,500  
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
Options Outstanding
   
Options Exercisable
 
Outstanding
   
Wghtd. Avg.
   
Wghtd. Avg.
   
Aggregate
   
Exercisable
   
Wghtd. Avg.
   
Aggregate
 
at 2/29/16
   
Remaining Life
   
Exercise Price
   
Intrinsic Value
   
at 2/29/16
   
Exercise Price
   
Intrinsic Value
 
  175,000       0.75     $ 1.29     $ -       175,000     $ 1.29     $ -