Segment, Customer and Geographical Reporting (Details) (USD $)	3 Months Ended	6 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenue	$ 9,895,000us-gaap_SalesRevenueNet	$ 10,407,000us-gaap_SalesRevenueNet	$ 19,506,000us-gaap_SalesRevenueNet	$ 21,118,000us-gaap_SalesRevenueNet
Gross Profit	3,760,000us-gaap_GrossProfit	4,359,000us-gaap_GrossProfit	7,352,000us-gaap_GrossProfit	8,809,000us-gaap_GrossProfit
Gain on sale of assets	0us-gaap_GainsLossesOnSalesOfAssets	0us-gaap_GainsLossesOnSalesOfAssets	185,000us-gaap_GainsLossesOnSalesOfAssets	1,187,000us-gaap_GainsLossesOnSalesOfAssets
Operating Income (Loss)	14,000us-gaap_OperatingIncomeLoss	467,000us-gaap_OperatingIncomeLoss	(415,000)us-gaap_OperatingIncomeLoss	2,081,000us-gaap_OperatingIncomeLoss
Depreciation and Amortization			586,000	535,000
Capital expenditures			456,000	539,000
Intangibles, Net	1,235,000		1,235,000		1,383,000
Goodwill	6,096,000us-gaap_Goodwill		6,096,000us-gaap_Goodwill		6,247,000us-gaap_Goodwill
Total Assets	25,619,000us-gaap_Assets		25,619,000us-gaap_Assets		26,377,000us-gaap_Assets
Results Of Operations For Three Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue	9,895,000	10,407,000
Gross Profit	3,760,000	4,359,000
GM %	38.00%	41.90%
SG&A	3,746,000	3,892,000
Gain on sale of assets	0	0
Operating Income (Loss)	14,000	467,000
Depreciation and Amortization	293,000	268,000
Capital expenditures	212,000	409,000
Intangibles, Net	1,235,000	1,322,000	1,235,000	1,322,000
Goodwill	6,096,000	6,272,000	6,096,000	6,272,000
Total Assets	25,619,000	24,833,000	25,619,000	24,833,000
Results Of Operations For Six Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue			19,506,000	21,118,000
Gross Profit			7,352,000	8,809,000
GM %			37.70%	41.70%
SG&A			7,952,000	7,915,000
Gain on sale of assets			(185,000)	(1,187,000)
Operating Income (Loss)			(415,000)	2,081,000
Depreciation and Amortization			586,000	535,000
Capital expenditures			456,000	539,000
Intangibles, Net	1,235,000	1,322,000	1,235,000	1,322,000
Goodwill	6,096,000	6,272,000	6,096,000	6,272,000
Total Assets	25,619,000	24,833,000	25,619,000	24,833,000
Contract Research [Member] \| Results Of Operations For Three Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue	4,675,000	5,614,000
Gross Profit	1,952,000	2,442,000
GM %	41.80%	43.50%
SG&A	1,896,000	2,200,000
Gain on sale of assets	0	0
Operating Income (Loss)	56,000	242,000
Depreciation and Amortization	74,000	70,000
Capital expenditures	4,000	12,000
Intangibles, Net	282,000	316,000	282,000	316,000
Goodwill	4,939,000	4,939,000	4,939,000	4,939,000
Total Assets	8,887,000	10,230,000	8,887,000	10,230,000
Contract Research [Member] \| Results Of Operations For Six Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue			9,338,000	11,454,000
Gross Profit			4,050,000	4,971,000
GM %			43.40%	43.40%
SG&A			3,778,000	4,381,000
Gain on sale of assets			0	0
Operating Income (Loss)			272,000	590,000
Depreciation and Amortization			148,000	139,000
Capital expenditures			4,000	12,000
Intangibles, Net	282,000	316,000	282,000	316,000
Goodwill	4,939,000	4,939,000	4,939,000	4,939,000
Total Assets	8,887,000	10,230,000	8,887,000	10,230,000
Optics [Member] \| Results Of Operations For Three Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue	5,220,000	4,789,000
Gross Profit	1,808,000	1,919,000
GM %	34.60%	40.10%
SG&A	1,580,000	1,397,000
Gain on sale of assets	0	0
Operating Income (Loss)	228,000	522,000
Depreciation and Amortization	204,000	183,000
Capital expenditures	152,000	397,000
Intangibles, Net	699,000	858,000	699,000	858,000
Goodwill	1,157,000	1,333,000	1,157,000	1,333,000
Total Assets	15,800,000	13,816,000	15,800,000	13,816,000
Optics [Member] \| Results Of Operations For Six Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue			10,168,000	8,887,000
Gross Profit			3,302,000	3,517,000
GM %			32.50%	39.60%
SG&A			3,670,000	2,596,000
Gain on sale of assets			(185,000)	0
Operating Income (Loss)			(183,000)	921,000
Depreciation and Amortization			408,000	362,000
Capital expenditures			396,000	527,000
Intangibles, Net	699,000	858,000	699,000	858,000
Goodwill	1,157,000	1,333,000	1,157,000	1,333,000
Total Assets	15,800,000	13,816,000	15,800,000	13,816,000
Instruments [Member] \| Results Of Operations For Three Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue	0	0
Gross Profit	0	(6,000)
GM %	0.00%	0.00%
SG&A	0	70,000
Gain on sale of assets	0	0
Operating Income (Loss)	0	(76,000)
Depreciation and Amortization	0	0
Capital expenditures	0	0
Intangibles, Net	0	0	0	0
Goodwill	0	0	0	0
Total Assets	238,000	455,000	238,000	455,000
Instruments [Member] \| Results Of Operations For Six Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue			0	773,000
Gross Profit			0	317,000
GM %			0.00%	41.00%
SG&A			0	539,000
Gain on sale of assets			0	(1,187,000)
Operating Income (Loss)			0	965,000
Depreciation and Amortization			0	2,000
Capital expenditures			0	0
Intangibles, Net	0	0	0	0
Goodwill	0	0	0	0
Total Assets	238,000	455,000	238,000	455,000
Biomedical [Member] \| Results Of Operations For Three Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue	0	4,000
Gross Profit	0	4,000
GM %	0.00%	100.00%
SG&A	270,000	225,000
Gain on sale of assets	0	0
Operating Income (Loss)	(270,000)	(221,000)
Depreciation and Amortization	15,000	15,000
Capital expenditures	56,000	0
Intangibles, Net	254,000	148,000	254,000	148,000
Goodwill	0	0	0	0
Total Assets	694,000	332,000	694,000	332,000
Biomedical [Member] \| Results Of Operations For Six Months Ended Period [Member]
Segment Reporting Information [Line Items]
Revenue			0	4,000
Gross Profit			0	4,000
GM %			0.00%	100.00%
SG&A			504,000	399,000
Gain on sale of assets			0	0
Operating Income (Loss)			(504,000)	(395,000)
Depreciation and Amortization			30,000	32,000
Capital expenditures			56,000	0
Intangibles, Net	254,000	148,000	254,000	148,000
Goodwill	0	0	0	0
Total Assets	$ 694,000	$ 332,000	$ 694,000	$ 332,000

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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