Quarterly report pursuant to Section 13 or 15(d)

SEGMENT DISCLOSURES (Tables)

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SEGMENT DISCLOSURES (Tables)
6 Months Ended
May 31, 2018
May 31, 2017
Schedule of Segment Reporting Information, by Segment [Table Text Block]
      2018     2017  
  Sales $ 239,474   $ 185,596  
  Elimination of intersegment revenue   (72,616 )   (45,991 )
               
  Consolidated sales $ 166,858     139,605  
 
Sales [Member]    
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
      SDI USA     SDI Canada     Total  
  Sales $ 139,705   $ 99,769   $ 239,474  
      SDI USA     SDI Canada     Total  
  Sales $ 111,473   $ 74,123   $ 185,596  
Assets [Member]    
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
      SDI     SDI Canada     Total  
  Assets $ 1,394,551   $ 113,643   $ 1,508,194  
      SDI     SDI Canada     Total  
  Assets $ 2,159,618   $ 32,739   $ 2,192,357