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Intangible Assets | 12 Months Ended
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Nov. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
INTANGIBLE ASSETS | INTANGIBLE ASSETS Intangible assets consist of owned trademarks and patents for ten product lines.
|  | November 30, 2018 |  | November 30, 2017
Patents and trademarks |  | $ | 583,327 |  |  | $ | 578,937 |
Less: Accumulated amortization |  | 146,753 |  |  | 146,617 |
Intangible Assets - Net |  | $ | 436,574 |  |  | $ | 432,320 |
Patents are amortized on a straight-line basis over their legal life of 17 years. Trademarks have an indefinite life and are reviewed annually for impairment or more frequently if impairment indicators occur. During the fiscal years ended November 30, 2018 and 2017, the Company wrote off $0 and $1,070, respectively, of patents and trademarks, as part of its annual evaluation of patents and trademarks that were no longer in use and did not have any plans for future use. Amortization expense for the fiscal years ended November 30, 2018 and 2017 was $425 and $388, respectively. Estimated amortization expense for the years ending November 30, 2019, 2020, 2021, 2022 and 2023 are $376, $243, $243, $243 and $243, respectively.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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