Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Consolidated Balance Sheets [Abstract]    
Allowance for accounts receivable $ 979 $ 1,370
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 125,000,000 125,000,000
Common stock, shares issued 73,115,779 68,703,366
Common stock, shares outstanding 72,701,571 68,490,277
Treasury stock, shares 414,208 213,089