XML 22 R3.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)
In Thousands, except Share data, unless otherwise specified
May 31, 2012
Aug. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]    
Trade accounts receivable, allowance for doubtful accounts $ 406 $ 412
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 36,000,000 36,000,000
Common stock, shares issued 19,095,066 18,948,868
Common stock, shares outstanding 15,769,289 16,367,913
Treasury stock, shares 3,325,777 2,580,955