Note 5 - Property, Plant and Equipment (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Feb. 28, 2018 |
Feb. 28, 2017 |
Feb. 28, 2018 |
Feb. 28, 2017 |
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| Property, Plant and Equipment [Abstract] | ||||
| Depreciation | $ 223 | $ 223 | $ 669 | $ 669 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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