Note 11 - Intangible Assets (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Aug. 31, 2019 |
Aug. 31, 2018 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Amortization of Intangible Assets | $ 32,113 | $ 20,952 |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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