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Weighted Average Shares and Reconciliation (Tables)
12 Months Ended
May 31, 2020
Earnings Per Share [Abstract]  
Earnings per share
    Net   Weighted Avg   Per Share
    Income/(loss)   Shares   Amount
             
Year ended May 31, 2020                        
Basic earnings per share from continuing operations                   $ (0.47 )
Loss available to stockholders   $ (1,842,304 )     3,939,833          
Effect of dilutive securities stock options     -       -          
Diluted earnings per share                        
Loss available to common stockholders   $ (1,842,304 )   $ 3,939,833     $ (0.47 )
                         
Year ended May 31, 2019                        
Basic earnings per share from continuing operations                   $ (0.37 )
Loss available to stockholders   $ (1,468,432 )     4,005,795          
Effect of dilutive securities stock options     -       -          
Diluted earnings per share                        
Loss available to common stockholders   $ (1,468,432 )   $ 4,005,795     $ (0.37 )