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Intangible Assets | 9 Months Ended
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Aug. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Intangible Assets | Note 4 – Intangible Assets The Company incurs certain legal and related costs in connection with patent and trademark applications. If a future economic benefit is anticipated from the resulting patent or trademark or an alternate future use is available to the Company, such costs are capitalized and amortized over the expected life of the patent or trademark. The Company’s assessment of future economic benefit involves considerable management judgment. A different conclusion could result in the reduction of the carrying value of these assets. Intangible assets were as follows as of August 31, 2021 and November 30, 2020:
|  | Useful lives |  | August 31, 2021 |  |  | November 30, 2020 |
Patents and Domain Names |  | 10-20 years |  |  | 234,570 |  |  |  | 234,570 |
Less: Accumulated amortization |  |  |  |  | (55,868 | ) |  |  | (47,150 | )
Patents - Acquired with Duke License Agreement |  | 16 years |  |  | 456,224 |  |  |  | — |
Less: Accumulated amortization |  |  |  |  | (14,257 | ) |  |  | — |
License agreement |  | 10 years |  |  | 470,000 |  |  |  | 470,000 |
Less: Intangible asset impairment |  |  |  |  | (185,000 | ) |  |  | (185,000 | )
Less: Accumulated amortization |  |  |  |  | (195,879 | ) |  |  | (178,443 | )
Customer relationships-PrepaCyte CB |  | 15 years |  |  | 41,000 |  |  |  | 41,000 |
Less: Intangible asset impairment |  |  |  |  | (26,267 | ) |  |  | (26,267 | )
Less: Accumulated amortization |  |  |  |  | (7,719 | ) |  |  | (7,122 | )
Brand |  | 1 year |  |  | 31,000 |  |  |  | 31,000 |
Less: Accumulated amortization |  |  |  |  | (31,000 | ) |  |  | (31,000 | )
Customer relationships-Cord:Use |  | 30 years |  |  | 960,000 |  |  |  | 960,000 |
Less: Accumulated amortization |  |  |  |  | (104,000 | ) |  |  | (80,000 | )
Net Intangible Assets |  |  |  | $ | 1,572,804 |  |  | $ | 1,181,588 |
Amortization expense of intangibles was approximately $24,000 and $17,000 for the three months ended August 31, 2021 and August 31, 2020, respectively. Amortization expense of intangibles was approximately $65,000 and $51,000 for the nine months ended August 31, 2021 and August 31, 2020, 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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