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Note 11 - Share Capital - Share Options (Details)
 12 Months Ended
Nov. 30, 2021
$ / shares
shares
Nov. 30, 2020
$ / shares
Statement Line Items [Line Items]    
Balance, option 10,732,000 12,463,000
Balance, weighted average exercise of option (in CAD per share) $ 1.51 $ 1.15
Granted, option 3,015,000 2,695,000
Granted, weighted average exercise of option (in CAD per share) $ 1.84 $ 2.48
Exercised, option (1,197,850) [1] (4,359,750) [2]
Exercised, weighted average exercise of option (in CAD per share) $ 1.00 [1] $ 1.07 [2]
Expired/Forfeited, option   (66,250)
Expired/Forfeited, weighted average exercise of option (in CAD per share)   $ 0.80
Expired (in shares) | shares (105,000)  
Expired, weighted average exercise price (in CAD per share) $ 2.50  
Balance, option 12,444,150 10,732,000
Balance, weighted average exercise of option (in CAD per share) $ 1.63 $ 1.51
[1] During the year ended November 30, 2021, the Company issued 1,154,918 common shares at weighted average trading prices of $2.02. The common shares were issued pursuant to the exercise of 1,197,850 share options, of which 37,068 common shares were issued pursuant to the exercise of 80,000 share options on a net exercise basis.
[2] During the year ended November 30, 2020, the Company issued 4,342,064 common shares at weighted average trading prices of $2.33. The common shares were issued pursuant to the exercise of 4,359,750 share options, of which 17,314 common shares were issued pursuant to the exercise of 35,000 options on a net exercise basis.