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STOCK OPTIONS (Details 2) (USD $)
12 Months Ended
May 31, 2013
STOCK OPTIONS [Abstract]  
Estimated fair value of options at date of grant $ 213,696
Black-Scholes model assumptions  
Average expected life (years) 5 years
Average expected volatility factor 353.30%
Average risk-free interest rate 3.00%
Average expected dividend yields 0.00%