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SHAREHOLDERS' EQUITY (Details) - Activity as to non-vested stock options (USD $) | 12 Months Ended
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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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- Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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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 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition Number of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options outstanding. + References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options vested. + References No definition available. + Details
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