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Fair Value of Financial Instruments (Tables)
12 Months Ended
Aug. 31, 2012
Fair Value Disclosures [Abstract]  
Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

The following table sets forth by level, within the fair value hierarchy, certain assets at estimated fair value as of August 31, 2012 and 2011:

 

    Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
    Significant Other
Observable Inputs
(Level 2)
    Significant
Unobservable
Inputs
(Level 3)
    Total  
August 31, 2012                                
Marketable securities   $ 197,000       -       -     $ 197,000  
                                 
August 31, 2011                                
Marketable securities   $ 892,000       -       -     $ 892,000