Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)

v3.22.1
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Feb. 28, 2022
Nov. 30, 2021
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 300,000,000 300,000,000
Common stock, shares issued (in shares) 23,960,588 23,754,096
Common stock, shares outstanding (in shares) 23,664,369 23,754,096
Treasury stock, shares (in shares) 296,168 0
Series A Preferred Stock [Member]    
Preferred stock, shares authorized (in shares) 1,500 1,500
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0