XML 63 R3.htm IDEA: XBRL DOCUMENT v3.3.0.814
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Aug. 31, 2015
Aug. 31, 2014
Statement Of Financial Position [Abstract]    
Trade and other accounts receivable, allowance for doubtful accounts $ 491 $ 406
Common stock, shares authorized 36,000,000 36,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares issued 19,546,888 19,464,310
Common stock, shares outstanding 14,450,490 14,754,362
Treasury stock, shares 5,096,398 4,709,948