Segment, Customer and Geographical Reporting (Details Textual)	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
One Customer [Member] | Optics [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage		18.00%		10.00%
Three Customers [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage		10.00%		10.00%
Sales Revenue, Segment [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	64.00%	68.00%	68.00%	67.00%
Sales Revenue, Segment [Member] | Customer Two [Member] | US Government [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage		10.00%
Sales Revenue, Segment [Member] | Four Customers [Member] | US Government [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	10.00%		10.00%
Sales Revenue, Segment [Member] | Two Customers [Member] | Optics [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	10.00%