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Note 2 - Summary of Significant Accounting Policies (Tables)
3 Months Ended
Feb. 29, 2020
Notes Tables  
Cash, Cash Equivalents, and Restricted Cash, Cash Flow Statement Reconciliation [Table Text Block]
   
February 29, 2020
   
February 28, 2019
 
                 
Cash and cash equivalents
  $
939,402
    $
965,541
 
Restricted cash
   
387,209
     
421,940
 
Total cash and restricted cash
  $
1,326,611
    $
1,387,481