Note 8 - Intangible Assets: Schedule of Finite-Lived Intangible Assets (Details) (USD $)	Feb. 28, 2014	May 31, 2013	Feb. 28, 2013
Details
Licenses and Software		$ 2,278,603	$ 2,279,461
Operating concession		0	244,950
Intangible Assets, Gross (Excluding Goodwill), Total		2,278,603	2,524,411
Less: Accumulated amortization		(719,132)	(808,596)
Intangible assets, net	$ 1,715,815	$ 1,559,471	$ 1,715,815

Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

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-Paragraph 2

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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