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Goodwill and Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Goodwill and Intangible Assets (Textual) [Abstract]        
Change in Company's recorded goodwill $ 0   $ 0  
Amortization expense 241 489 723 1,500
Amortization from capitalized internally developed software $ 53 $ 8 $ 95 $ 21