Reportable Segment Information - Segment Revenue, Operating (Loss) Income and Depreciation and Amortization (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Revenue	$ 132,584	$ 99,951	$ 105,136
Operating income (loss)	5,150	(22,097)	6,703
Depreciation and amortization	8,522	9,142	8,017
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue	132,584	99,951	105,136
Operating income (loss)	17,721	(9,850)	18,453
Operating Segments [Member] | Medical Device [Member]
Segment Reporting Information [Line Items]
Revenue	105,783	72,389	78,253
Operating income (loss)	5,084	(22,923)	4,683
Depreciation and amortization	7,874	8,368	7,224
Operating Segments [Member] | In Vitro Diagnostics [Member]
Segment Reporting Information [Line Items]
Revenue	26,801	27,562	26,883
Operating income (loss)	12,637	13,073	13,770
Depreciation and amortization	321	355	395
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(12,571)	(12,247)	(11,750)
Depreciation and amortization	$ 327	$ 419	$ 398