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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Aug. 31, 2012
Aug. 31, 2011
Consolidated Balance Sheets    
Accounts receivable, allowance for doubtful accounts (in dollars) $ 577 $ 1,339
Accounts receivable from related parties, allowance for doubtful accounts (in dollars) $ 1,405 $ 0
Common stock, par value (in dollars per share) $ 0.0000056 $ 0.0000056
Common stock, shares authorized 32,143 32,143
Common stock, shares issued 27,470 27,285
Common stock, shares outstanding 27,470 27,285