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Note 5 - Stock Options (Tables)
3 Months Ended
Feb. 28, 2015
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
For the three months ended February 28,
 
   
2015
   
2014
 
Options outstanding at beginning of year
    314,400       368,373  
Granted
    -       -  
Forfeited or expired
    (56,900 )     (7,973 )
Exercised
    -       -  
Outstanding at end of year
    257,500       360,400  
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 2/28/15
   
Remaining Life
   
Exercise Price
   
Intrinsic Value
   
at 2/28/15
   
Exercise Price
   
Intrinsic Value
 
    257,500       1.50     $ 1.24     $ -       257,500     $ 1.24     $ -