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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 receivable $ 2,089 $ 2,476
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 30,000 30,000
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 80,000,000 80,000,000
Common stock, shares issued 20,543,595 14,257,545
Common stock, shares outstanding 20,511,969 14,225,919
Treasury stock, shares 31,626 31,626