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SHAREHOLDERS' EQUITY (Details) - Activity as to non-vested stock options (USD $)	12 Months Ended
	May 31, 2014	May 31, 2013
Activity as to non-vested stock options [Abstract]
Nonvested shares at May 31, 2013	408,250
Nonvested shares at May 31, 2013	$ 0.42
Granted	178,000
Granted	$ 0.75	$ 0.67
Vested/Issued	(162,250)
Vested/Issued	$ 0.42
Forfeited	(14,000)
Forfeited	$ 0.43
Nonvested shares at May 31, 2014	410,000	408,250
Nonvested shares at May 31, 2014	$ 0.56	$ 0.42

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Number of non-vested options outstanding.

+ References

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- Definition

Number of non-vested options forfeited.

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

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- Definition

Number of options vested.

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Weighted average grant-date fair value of options vested.

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