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Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - $ / shares
May 31, 2017
Aug. 31, 2016
Balance Sheets [Abstract]    
Common stock, par value $ 0.012 $ 0.012
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 13,319,172 13,183,425
Common stock, shares outstanding 13,319,172 13,183,425