Segment, Customer and Geographical Reporting (Details Textual)	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Customer Three [Member] | Sales Revenue, Segment [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage	10.00%		10.00%
Customer Four [Member] | Sales Revenue, Segment [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage		10.00%		10.00%
Customer Five [Member] | Sales Revenue, Segment [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage		10.00%		10.00%
Optics [Member] | Customer One [Member] | Sales Revenue, Segment [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage		10.00%		10.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage	52.00%	72.00%	58.00%	77.00%