Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v2.4.0.8
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 2,137 $ 914
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 82,016,928 80,511,791
Common stock, shares outstanding 79,082,594 78,433,626
Treasury stock, shares 2,934,334 2,078,165