Summary of Significant Accounting Policies - Summary of Accounts Receivable by Major Customers (Details) - Accounts Receivable [Member] - Customer Concentration Risk [Member]
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Customer A [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   12.00%
Customer C [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 19.00% 19.00%