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Business Combinations (Details) (USD $)
 1 Months Ended 12 Months Ended
Dec. 30, 2011
Dec. 31, 2013
Dec. 31, 2012
Business Combinations [Abstract]      
Purchase price of acquired entity $ 11,500,000 $ 8,500,000 $ 10,700,000
Cash paid 3,500,000    
Proceeds from bank loan 4,000,000    
Note issued for acquisition 1,000,000    
Contingent consideration, fair value 3,000,000 0 2,150,000
Increase (decrease) in goodwill     (850,000)
Change in fair value of contingent consideration for business acquisition   $ 1,250,000