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Concentration of Credit Risk (Details)
6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Sales Revenue [Member]
Customer A [Member]
Jun. 30, 2013
Sales Revenue [Member]
Customer A [Member]
Jun. 30, 2014
Sales Revenue [Member]
Customer B [Member]
Jun. 30, 2013
Sales Revenue [Member]
Customer B [Member]
Jun. 30, 2014
Sales Revenue [Member]
Customer C [Member]
Jun. 30, 2013
Sales Revenue [Member]
Customer C [Member]
Jun. 30, 2014
Accounts Receivable [Member]
Customer A [Member]
Dec. 31, 2013
Accounts Receivable [Member]
Customer A [Member]
Jun. 30, 2014
Accounts Receivable [Member]
Customer B [Member]
Dec. 31, 2013
Accounts Receivable [Member]
Customer B [Member]
Jun. 30, 2014
Accounts Receivable [Member]
Customer C [Member]
Dec. 31, 2013
Accounts Receivable [Member]
Customer C [Member]
Concentration Of Credit Risk [Line Items]                        
Concentration Risk, Percentage 59.00% 33.00% 20.00% 29.00% 4.00% 24.00% 56.00% 69.00% 35.00% 0.00% 0.00% 28.00%