Note 4 - Construction in Progress (Details) - USD ($) |
Feb. 28, 2017 |
May 31, 2016 |
|---|---|---|
| Construction in Progress [Abstract] | ||
| Construction in Progress, Gross | $ 141,739 | $ 106,726 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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