1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	May 31, 2014	May 31, 2013
Assets	$ 527	$ 152
Liabilities	0	0
Money market funds
Assets	477	102
Certificate of Deposit
Assets	50	50
Level 1
Assets	477	102
Liabilities	0	0
Level 1 | Money market funds
Assets	477	102
Level 1 | Certificate of Deposit
Assets	0	0
Level 2
Assets	50	50
Liabilities	0	0
Level 2 | Money market funds
Assets	0	0
Level 2 | Certificate of Deposit
Assets	50	50
Level 3
Assets	0	0
Liabilities	0	0
Level 3 | Money market funds
Assets	0	0
Level 3 | Certificate of Deposit
Assets	$ 0	$ 0