Intangible Assets - Net (Details) - USD ($) |
Nov. 30, 2017 |
Nov. 30, 2016 |
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Schedule of Intangible Assets | ||
Patents and trademarks | $ 578,937 | $ 580,007 |
Less: Accumulated amortization | 146,617 | 146,229 |
Intangible Assets - Net | $ 432,320 | $ 433,778 |
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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