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Note 8 - Assets Held for Lease (Tables)
9 Months Ended
Aug. 31, 2020
Notes Tables  
Components of Assets Held for Lease [Table Text Block]
   
August 31, 2020
   
November 30, 2019
 
Modular Buildings
  $
521,516
    $
713,782
 
Net assets held for lease
  $
521,516
    $
713,782