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Concentrations - Additional Information (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Supplier Concentration Risk | One Supplier          
Concentration Risk [Line Items]          
Concentration risk, percentage   12.00% 25.00%    
Supplier Concentration Risk | Four Suppliers          
Concentration Risk [Line Items]          
Concentration risk, percentage         71.00%
Supplier Concentration Risk | Three Suppliers          
Concentration Risk [Line Items]          
Concentration risk, percentage 41.00%        
Supplier Concentration Risk | Two Suppliers          
Concentration Risk [Line Items]          
Concentration risk, percentage     35.00% 37.00%  
Revenue | Four Customers          
Concentration Risk [Line Items]          
Concentration risk, percentage     97.00% 94.00%  
Revenue | Three Customers          
Concentration Risk [Line Items]          
Concentration risk, percentage 97.00% 97.00%      
Accounts Receivable | Three Customers          
Concentration Risk [Line Items]          
Concentration risk, percentage     86.00%   96.00%