Segment, Customer and Geographical Reporting (Details Textual)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Optics [Member] | Sales Revenue, Segment [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage	10.00%	10.00%	10.00%	10.00%
Contract Research segment [Member] | Customer Three [Member] | Sales Revenue, Segment [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage	10.00%	10.00%	10.00%	10.00%
Contract Research segment [Member] | Customer Four [Member] | Sales Revenue, Segment [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage	10.00%	10.00%	10.00%	10.00%
Contract research revenue [Member]
Segment Reporting [Line Items]
Concentration Risk, Percentage	72.00%	59.00%	70.00%	60.00%