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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Statement Of Financial Position [Abstract]    
Reserves for accounts receivable $ 1,354 $ 1,131
Common stock, par value $ 0.002 [1] $ 0.002 [1]
Common stock, shares authorized 140,000 [1] 140,000 [1]
Common stock, shares issued 86,831 [1] 86,110 [1]
Common stock, shares outstanding 86,831 [1] 86,110 [1]
[1] Prior period amounts have been adjusted to reflect the two-for-one stock split effected in the form of a stock dividend which occurred in the third quarter of 2013.