Note 7 - Other Assets (Details) - Schedule of Other Assets - USD ($) |
Aug. 31, 2018 |
May 31, 2018 |
|---|---|---|
| Schedule of Other Assets [Abstract] | ||
| Security deposits | $ 158,500 | $ 0 |
| Total Other Assets | $ 158,500 | $ 0 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of noncurrent assets classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|