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INCOME TAXES (Details) - USD ($)
 12 Months Ended
May 31, 2016
May 31, 2015
INCOME TAXES (Details) [Line Items]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00%  
Deferred Tax Assets, Valuation Allowance $ 1,038,000 $ 0
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 1,038,000 0
Operating Loss Carryforwards 2,247,000 1,445,000
Windfall Tax Benefits 467,000  
Tax Benefit To be Adjusted To Additional Paid In Capital On Realization 163,000  
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount (21,844) (63,000)
California State Income Tax [Member]    
INCOME TAXES (Details) [Line Items]    
Operating Loss Carryforwards 1,417,000 $ 913,000
Domestic Tax Authority [Member]    
INCOME TAXES (Details) [Line Items]    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount 233,000  
State and Local Jurisdiction [Member]    
INCOME TAXES (Details) [Line Items]    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount $ 35,000