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INCOME TAXES (Details) - USD ($)
 12 Months Ended
May. 31, 2015
May. 31, 2014
INCOME TAXES (Details) [Line Items]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00%  
Deferred Tax Assets, Valuation Allowance $ 0 $ 0
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 0  
Operating Loss Carryforwards 1,445,000 1,035,000
Windfall Tax Benefits 211,000  
Tax Benefit to be Adjusted to Additional Paid in Capital on Realization 74,000  
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount 63,000 26,000
California State Income Tax [Member]    
INCOME TAXES (Details) [Line Items]    
Operating Loss Carryforwards 913,000 $ 642,000
Domestic Tax Authority [Member]    
INCOME TAXES (Details) [Line Items]    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount 212,000  
State and Local Jurisdiction [Member]    
INCOME TAXES (Details) [Line Items]    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount $ 27,000