Significant Customers (Details) - customers	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Concentration Risk [Line Items]
Number of customers	4	1	4	2
Customer [Member]
Concentration Risk [Line Items]
Concentration risk, percentage			10.00%	10.00%
Revenue [Member] | Customer One [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	17.00%	76.00%	17.00%	55.00%
Revenue [Member] | Customer Two [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%		13.00%	10.00%
Revenue [Member] | Customer Three [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%		11.00%
Revenue [Member] | Customer Four [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%		10.00%
Accounts Receivable [Member] | Customer [Member]
Concentration Risk [Line Items]
Concentration risk, percentage			64.00%		75.00%
Trade Receivables [Member]
Concentration Risk [Line Items]
Concentration risk, percentage			10.00%		10.00%