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Major Customers
12 Months Ended
Dec. 31, 2013
Major Customers [Abstract]  
Major Customers

15. Major Customers

There are concentrations of credit risk with respect to trade receivables due to the amounts owed by four customers at December 31, 2013 whose balances each represented approximately 37.1%, 12.3%, 10.7%, and 7.1% for a total of 67.2% of total trade receivables. There are concentrations of credit risk with respect to trade receivables due to the amounts owed by four customers at December 31, 2012 whose balances each represented approximately 33.9%, 17.2%, 16.9% and 16.9% for a total of 84.9% of total trade receivables.  The loss of business from one or a combination of the Company's significant customers, or an unexpected deterioration in their financial condition, could adversely affect the Company's operations.