Segment and Geographical Information - Segment Revenue, Operating Income and Depreciation and Amortization (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Revenue	$ 17,790	$ 19,972	$ 53,054	$ 53,212
Operating income	1,743	6,597	6,688	12,776
Depreciation and amortization	1,405	1,406	4,006	3,703
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	3,633	8,346	12,549	18,123
Operating Segments [Member] \| Medical Device [Member]
Segment Reporting Information [Line Items]
Revenue	12,778	15,654	39,260	39,500
Operating income	1,403	6,673	6,627	12,825
Depreciation and amortization	1,132	982	3,180	2,440
Operating Segments [Member] \| In Vitro Diagnostics [Member]
Segment Reporting Information [Line Items]
Revenue	5,012	4,318	13,794	13,712
Operating income	2,230	1,673	5,922	5,298
Depreciation and amortization	103	222	309	647
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income	(1,890)	(1,749)	(5,861)	(5,347)
Depreciation and amortization	$ 170	$ 202	$ 517	$ 616

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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The net result for the period of deducting operating expenses from operating revenues.

+ References

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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