Disaggregated Revenue and Entity Wide Disclosures - Schedule of Revenues are Attributed to Geographic Areas by Principal Customers (Details) - Sales [Member]	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Customer A [Member]
Segment Reporting Information [Line Items]
Percentage of revenues per major customer	18.00%	18.00%	22.00%	9.00%
Customer B [Member]
Segment Reporting Information [Line Items]
Percentage of revenues per major customer	11.00%	11.00%	10.00%	11.00%
Customer C [Member]
Segment Reporting Information [Line Items]
Percentage of revenues per major customer	11.00%	7.00%	8.00%	9.00%
Customer D [Member]
Segment Reporting Information [Line Items]
Percentage of revenues per major customer	9.00%	10.00%	9.00%	8.00%