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Revenue - Summary of Revenues Disaggregated by Product Classification and Reportable Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | $ 26,106 | $ 34,995 | $ 49,109 | $ 57,292
Product Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 13,964 | 11,783 | 26,308 | 21,885
Royalties [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 9,844 | 20,052 | 17,943 | 29,386
Research, Development and Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 2,298 | 3,160 | 4,858 | 6,021
Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 26,106 | 34,995 | 49,109 | 57,292
Operating Segments [Member] | Medical Device [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 18,453 | 27,907 | 35,361 | 44,103
Operating Segments [Member] | Medical Device [Member] | Product Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 6,441 | 5,410 | 13,229 | 9,971
Operating Segments [Member] | Medical Device [Member] | Royalties [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 8,358 | 7,474 | 15,244 | 15,383
Operating Segments [Member] | Medical Device [Member] | License Fees [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 1,486 | 12,578 | 2,699 | 14,003
Operating Segments [Member] | Medical Device [Member] | Research, Development and Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 2,168 | 2,445 | 4,189 | 4,746
Operating Segments [Member] | In Vitro Diagnostics [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 7,653 | 7,088 | 13,748 | 13,189
Operating Segments [Member] | In Vitro Diagnostics [Member] | Product Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | 7,523 | 6,373 | 13,079 | 11,914
Operating Segments [Member] | In Vitro Diagnostics [Member] | Research, Development and Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenue | $ 130 | $ 715 | $ 669 | $ 1,275

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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