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Schedule of Segment Reporting Information, by Segment (Details) - USD ($) | 12 Months Ended
--- | ---
Nov. 30, 2018 | Nov. 30, 2017
Sales | $ 250,227 | $ 292,508
Assets | 2,657,085 | 2,192,357
Operating segment |  |
Sales | 335,843 | 338,499
Elimination of intersegment revenue [Member] |  |
Sales | (85,616) | (45,991)
SDI USA | Operating segment |  |
Assets | 2,629,315 | 2,159,618
SDI Canada | Operating segment |  |
Assets | 27,770 | 32,739
Sales Gross [Member] | Operating segment |  |
Sales |  | 338,499
Sales Gross [Member] | SDI USA | Operating segment |  |
Sales | 212,462 | 252,227
Sales Gross [Member] | SDI Canada | Operating segment |  |
Sales | $ 123,381 | $ 86,272

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