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Major Customers (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Customer One [Member]
   
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 27.60% 26.30%
Accounts Receivable, Gross $ 1,523,000 $ 2,021,000
Customer Two [Member]
   
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 12.50% 8.90%
Accounts Receivable, Gross 2,085,000 627,000
Customer Three [Member]
   
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 8.90% 7.50%
Accounts Receivable, Gross $ 305,000 $ 0