Concentrations - Significant Customers with Concentration of Accounts Receivable Representing 10% or Greater of Accounts Receivable (Details) - Accounts Receivable [Member] - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Concentration Risk [Line Items]
Concentration risk, percentage	40.06%	38.13%
Customer 1 (Related Party) [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	24.80%	25.21%
Customer 2 [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	15.26%	12.92%