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Note 14 - Equity Incentive Plan (Tables)
12 Months Ended
Nov. 30, 2019
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   
201
9
   
201
8
 
Expected Volatility
   
-
     
-
 
Expected Dividend Yield
   
-
     
-
 
Expected Term (in years)
   
-
     
-
 
Risk-Free Rate
   
-
     
-
 
Share-based Payment Arrangement, Option, Activity [Table Text Block]
2019 Option Activity
 
Options
 
Shares
   
Weighted Average
Exercise Price
   
Weighted
Average
Remaining
Contractual
Term
   
Aggregate Intrinsic
Value
 
Options O/S at beginning of period
   
59,000
    $
6.07
     
 
     
 
 
Granted
   
-
    $
-
     
 
     
 
 
Exercised
   
-
    $
-
     
 
     
-
 
Options Expired or Forfeited
   
-
    $
-
     
 
     
 
 
Options O/S at end of period
   
59,000
    $
6.07
     
2.86
     
-
 
Options Exercisable at end of the period
   
59,000
    $
6.07
     
2.86
     
-
 
2018 Option Activity
 
Options
 
Shares
   
Weighted Average
Exercise Price
   
Weighted
Average
Remaining
Contractual
Term
   
Aggregate Intrinsic
Value
 
Options O/S at beginning of period
   
96,000
    $
7.77
     
 
     
 
 
Granted
   
-
    $
-
     
 
     
 
 
Exercised
   
-
    $
-
     
 
     
-
 
Options Expired or Forfeited
   
(37,000
)   $
10.37
     
 
     
 
 
Options O/S at end of period
   
59,000
    $
6.07
     
3.86
     
-
 
Options Exercisable at end of the period
   
59,000
    $
6.07
     
3.86
     
-