Note 2 - Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Aug. 31, 2020
Notes Tables  
Cash, Cash Equivalents, and Restricted Cash, Cash Flow Statement Reconciliation [Table Text Block]
   
August 31, 2020
    
August 31, 2019
  
                 
Cash and cash equivalents
   $
1,076,612
     $
1,031,722
  
Restricted cash
    
297,469
      
385,655
  
Total cash, cash equivalents and restricted cash
   $
1,374,081
     $
1,417,377