XML 31 R3.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Consolidated Balance Sheets [Abstract]    
Receivables, allowance for doubtful accounts $ 1,585 $ 1,274
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 75,000 75,000
Common stock, shares issued 38,193 37,640
Common stock, shares outstanding 38,193 37,640
Preferred stock, shares authorized 500 500
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0