v2.3.0.11
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data
Jun. 30, 2011
Dec. 31, 2010
Condensed Consolidated Balance Sheets    
Accounts receivable, allowances $ 671 $ 615
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 82,334,370 80,764,172
Common stock, shares outstanding 47,183,153 45,612,955
Treasury stock, shares 35,151,217 35,151,217