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STOCKHOLDERS' EQUITY (Details)
 6 Months Ended
May 31, 2021
$ / shares
shares
Equity [Abstract]  
Warrants outstanding, beginning of period | shares 585,739
Warrants exercised | shares (486,684)
Warrants outstanding, end of period | shares 99,055
Warrants exercisable, end of period | shares 99,055
Warrants outstanding, beginning of period, weighted average exercise price | $ / shares $ 2.40
Warrants exercised, weighted average exercise price | $ / shares 2.50
Warrants outstanding, end of period, weighted average exercise price | $ / shares 1.91
Warrants exercisable, end of period, weighted average exercise price | $ / shares $ 1.91