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Note 7 - Assets Held for Lease (Tables)
3 Months Ended
Feb. 28, 2018
Notes Tables  
Schedule of Property Subject to or Available for Operating Lease [Table Text Block]
   
February 28, 2018
   
November 30, 2017
 
West Union Facility
  $
1,111,946
    $
1,118,330
 
Modular Buildings
   
89,569
     
98,834
 
Net assets held for lease
  $
1,201,515
    $
1,217,164