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Segment, Customer and Geographical Reporting (Details Textual)
3 Months Ended 9 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 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% 52.00% 59.00% 58.00%