Revenue - Summary of Revenues Disaggregated by Product Classification and Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Total revenue	$ 27,198	$ 26,106	$ 52,131	$ 49,109
Product Sales [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	15,350	13,964	29,584	26,308
Royalties [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	9,429	9,844	18,194	17,943
Research, Development and Other [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	2,419	2,298	4,353	4,858
Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	27,198	26,106	52,131	49,109
Operating Segments [Member] | Medical Device [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	19,707	18,453	38,725	35,361
Operating Segments [Member] | Medical Device [Member] | Product Sales [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	7,914	6,441	16,294	13,229
Operating Segments [Member] | Medical Device [Member] | Royalties [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	8,073	8,358	15,482	15,244
Operating Segments [Member] | Medical Device [Member] | License Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,356	1,486	2,712	2,699
Operating Segments [Member] | Medical Device [Member] | Research, Development and Other [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	2,364	2,168	4,237	4,189
Operating Segments [Member] | In Vitro Diagnostics [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	7,491	7,653	13,406	13,748
Operating Segments [Member] | In Vitro Diagnostics [Member] | Product Sales [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	7,436	7,523	13,290	13,079
Operating Segments [Member] | In Vitro Diagnostics [Member] | Research, Development and Other [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 55	$ 130	$ 116	$ 669