Intangible Assets - Net (Details) - USD ($) |
May 31, 2018 |
Nov. 30, 2017 |
|---|---|---|
| Schedule of Intangible Assets | ||
| Patents and trademarks | $ 583,327 | $ 578,937 |
| Less: Accumulated amortization | 146,522 | 146,617 |
| Intangible Assets - Net | $ 436,805 | $ 432,320 |
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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://fasb.org/us-gaap/role/ref/legacyRef
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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/disclosureRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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