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4. FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $)
In Thousands, unless otherwise specified
Aug. 31, 2012
Aug. 31, 2011
Money market funds $ 2 $ 2
Assets 2 2
Liabilities 0 0
Level 1
    
Money market funds 2 2
Assets 2 2
Liabilities 0 0
Level 2
    
Money market funds 0 0
Assets 0 0
Liabilities 0 0
Level 3
    
Money market funds 0 0
Assets 0 0
Liabilities $ 0 $ 0