Annual report pursuant to Section 13 and 15(d)

STOCK BASED COMPENSATION - Schedule of option activity with Weighted-average exercise price (Details)

v3.20.1
STOCK BASED COMPENSATION - Schedule of option activity with Weighted-average exercise price (Details)
12 Months Ended
Nov. 30, 2019
$ / shares
Nov. 30, 2019
$ / shares
Nov. 30, 2018
$ / shares
Nov. 30, 2018
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options outstanding at end of year, weighted average exercise price (per share) | (per share) $ 0.19 $ 0.14 $ 0.22 $ 0.18
Stock options granted during the year, weighted average exercise price (per share) | (per share) 0.19 0.14 0.20 0.16
Stock options expired during the year, weighted average exercise price (per share) | (per share) 0.37 0.28    
Stock options cancelled during the year, weighted average exercise price (per share) | (per share) $ 0.22 $ 0.17 $ 0.30 $ 0.23