Segment, Customer and Geographical Reporting (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
United States [Member]
Segment Reporting Information Net Assets		$ 0.2		$ 0.2
Sales Revenue, Segment [Member]
United States [Member]
Concentration Risk, Percentage	72.00%	64.00%	77.00%	68.00%
Customer Four [Member] | Sales Revenue, Segment [Member] | Us Government [Member]
United States [Member]
Concentration Risk, Percentage		10.00%		10.00%
Customer Four and Five [Member] | Sales Revenue, Segment [Member]
United States [Member]
Concentration Risk, Percentage			10.00%
Customer Four and Five [Member] | Sales Revenue, Segment [Member] | Us Government [Member]
United States [Member]
Concentration Risk, Percentage	10.00%
Optics [Member] | Sales Revenue, Segment [Member]
United States [Member]
Concentration Risk, Percentage				10.00%
Optics [Member] | Customer One [Member]
United States [Member]
Concentration Risk, Percentage	10.00%		10.00%
Optics [Member] | Customer Two [Member]
United States [Member]
Concentration Risk, Percentage		10.00%