v2.3.0.11
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data
Aug. 31, 2011
May 31, 2011
Consolidated Balance Sheets    
Allowance for doubtful accounts receivable $ 800 $ 800
Accumulated amortization for customer based intangibles 5,810 5,431
Accumulated amortization for other non-current assets $ 2,977 $ 2,789
Preferred stock, par value $ 1 $ 1
Preferred stock, shares authorized 100,000 100,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.16 $ 0.16
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 23,374,082 23,290,604
Common stock, shares outstanding 23,374,082 23,290,604