Goodwill (Details) (USD $)	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 6,241,000us-gaap_Goodwill	$ 10,254,000us-gaap_Goodwill
Goodwill impairment on Instruments	0us-gaap_GoodwillImpairmentLoss	(4,015,000)us-gaap_GoodwillImpairmentLoss
Currency translation on Hilger Crystals	6,000us-gaap_GoodwillTranslationAdjustments	2,000us-gaap_GoodwillTranslationAdjustments
Goodwill, Ending Balance	6,247,000us-gaap_Goodwill	6,241,000us-gaap_Goodwill
Contract Research [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	4,939,000	4,939,000
Goodwill impairment on Instruments	0	0
Currency translation on Hilger Crystals		0
Goodwill, Ending Balance	4,939,000	4,939,000
Optics [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,302,000	1,300,000
Goodwill impairment on Instruments	0	0
Currency translation on Hilger Crystals	6,000	2,000
Goodwill, Ending Balance	1,308,000	1,302,000
Instruments [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	0	4,015,000
Goodwill impairment on Instruments	0	(4,015,000)
Currency translation on Hilger Crystals		0
Goodwill, Ending Balance	$ 0	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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