Goodwill (Details) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 6,247,000	$ 6,241,000
Currency translation on Hilger Crystals	(116,000)	6,000
Goodwill, Ending Balance	6,131,000	6,247,000
Contract Research [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	4,939,000	$ 4,939,000
Currency translation on Hilger Crystals
Goodwill, Ending Balance	4,939,000	$ 4,939,000
Optics [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,308,000	1,302,000
Currency translation on Hilger Crystals	(116,000)	6,000
Goodwill, Ending Balance	$ 1,192,000	$ 1,308,000