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SEGMENT DISCLOSURES (Tables)
12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Schedule of Segment Reporting Information, by Segment [Table Text Block]
    2018     2017  
Sales $  335,843   $  338,499  
Elimination of intersegment revenue   (85,616 )   (45,991 )
             
Consolidated sales $ 250,227      292,508  
 
Sales [Member]    
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

 
SDI USA     SDI Canada     Total  
Sales $  212,462   $  123,381   $  335,843  

 
SDI USA     SDI Canada     Total  
Sales’ $  252,227   $  86,272   $  338,499  
Assets [Member]    
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
    SDI USA     SDI Canada     Total  
Assets $ 2,629,315   $  27,770   $  2,657,085  

 
SDI USA     SDI Canada     Total  
Assets $  2,159,618   $  32,739   $  2,192,357