Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Note 11 - Options (Details 1)

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Note 11 - Options (Details 1) - $ / shares
12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2016
Stock Option Transactions [Abstract]      
Outstanding, beginning of period, (in Shares) 582,811 539,246 506,200
Granted (in Shares) 49,600 46,000
Exercised (in Shares) (200) 2,750
Forfeiture (in Shares) (25,533)
Expired (in Shares) 1,627 5,835 10,204
Balance at end of period (in Shares) 555,651 582,811 539,246
Options exercisable, end of year (in Shares) 544,619 522,106 439,661
Outstanding, beginning of period, $ 32.00 $ 34.80 $ 38.90
Granted 0.00 11.70 24.20
Exercised 0.00 23.20 25.70
Forfeiture 20.36    
Expired 291.07 126.40 192.40
Balance at end of period 31.75 32.00 34.80
Options exercisable, end of year 32.16 33.00 34.90
Outstanding, beginning of period, 17.20 18.80 22.10
Granted 0.00 7.50 12.00
Exercised 0.00 12.00 16.80
Forfeiture 14.19 0.00 0.00
Expired 228.92 96.00 132.90
Balance at end of period 16.69 17.20 18.80
Options exercisable, end of year $ 16.91 $ 17.90 $ 19.60