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Segment Information - Segment Revenue, Operating (Loss) Income and Depreciation and Amortization (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |
Revenue | $ 22,616 | $ 22,241
Operating (loss) income | (266) | 712
Depreciation and amortization | 1,804 | 1,756
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 22,616 | 22,241
Operating (loss) income | 2,176 | 2,812
Operating Segments [Member] | Medical Device [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 17,404 | 17,258
Operating (loss) income | (423) | 357
Depreciation and amortization | 1,455 | 1,388
Operating Segments [Member] | In Vitro Diagnostics [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 5,212 | 4,983
Operating (loss) income | 2,599 | 2,455
Depreciation and amortization | 110 | 116
Corporate [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating (loss) income | (2,442) | (2,100)
Depreciation and amortization | $ 239 | $ 252

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