Note 9 - Patent Rights (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||
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Nov. 30, 2021 | |||||||||||||||||||||||||||||||||||||||||
| Notes Tables | |||||||||||||||||||||||||||||||||||||||||
| Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
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| X | ||||||||||
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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