Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Stock-based Compensation - Valuation Assumptions (Details)

v3.23.1
Note 15 - Stock-based Compensation - Valuation Assumptions (Details) - Share-Based Payment Arrangement, Option [Member]
3 Months Ended
Feb. 28, 2023
$ / shares
Expected dividends 0.00%
Expected life (in years) (Year) 6 years 6 months
Minimum [Member]  
Risk free rate 3.63%
Expected volatility 76.10%
Market price of the Company’s common stock on date of grant (in dollars per share) $ 6.35
Maximum [Member]  
Risk free rate 3.79%
Expected volatility 77.00%
Market price of the Company’s common stock on date of grant (in dollars per share) $ 6.37