Segment and Geographical Information - Segment Revenue, Operating Income and Depreciation and Amortization (Detail) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 17,761	$ 16,541
Operating income	3,268	3,939
Depreciation and amortization	1,282	909
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	5,175	5,473
Operating Segments [Member] \| Medical Device [Member]
Segment Reporting Information [Line Items]
Revenue	13,757	12,247
Operating income	3,719	3,830
Depreciation and amortization	1,004	487
Operating Segments [Member] \| In Vitro Diagnostics [Member]
Segment Reporting Information [Line Items]
Revenue	4,004	4,294
Operating income	1,456	1,643
Depreciation and amortization	103	222
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income	(1,907)	(1,534)
Depreciation and amortization	$ 175	$ 200

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=56944662&loc=d3e3602-108585

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- Definition

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=26872669&loc=d3e20235-122688

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- Definition

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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