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INCOME TAXES (Details) (USD $) | 12 Months Ended
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May 31, 2013 | May 31, 2012
INCOME TAXES (Details) [Line Items] |  |
Deferred Tax Assets, Valuation Allowance | $ 0 | $ 280,000
Valuation Allowance, Deferred Tax Asset, Change in Amount | (280,000) | (231,000)
Federal Tax Benefit, Net Operating Loss Credited To Additional Paid In Capital | 74,000 |
Domestic Tax Authority [Member] |  |
INCOME TAXES (Details) [Line Items] |  |
Operating Loss Carryforwards | 480,000 | 848,000
Deferred Tax Assets, Tax Credit Carryforwards, Research | 109,000 |
Windfall Tax Benefit [Member] |  |
INCOME TAXES (Details) [Line Items] |  |
Operating Loss Carryforwards | 211,000 |
California State [Member] |  |
INCOME TAXES (Details) [Line Items] |  |
Operating Loss Carryforwards | 0 | 527,000
State [Member] |  |
INCOME TAXES (Details) [Line Items] |  |
Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 8,000 |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition The amount of the change in the period in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318 + Details
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