Quarterly report pursuant to Section 13 or 15(d)

Note 19 - Loss Per Share - Summary of Antidilutive Securities (Details)

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Note 19 - Loss Per Share - Summary of Antidilutive Securities (Details) - shares
3 Months Ended 9 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2021
Aug. 31, 2020
Antidilutive securities (in shares) 2,440,705 6,125,133 2,440,705 6,125,133
Series A Preferred Stock [Member]        
Antidilutive securities (in shares) 0 4,636,649 0 4,636,649
Warrant [Member]        
Antidilutive securities (in shares) 75,000 774,817 75,000 774,817
Share-based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares) 617,712 713,667 617,712 713,667
Restricted Stock Units (RSUs) [Member]        
Antidilutive securities (in shares) 1,747,993 0 1,747,993 0