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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Statement Of Financial Position [Abstract]    
Trade and other receivables, allowance for doubtful accounts $ 719 $ 1,748
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 15,000,000 15,000,000
Common stock, shares issued 9,449,299 9,382,994
Common stock, shares outstanding 9,449,299 9,382,994