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Note 4 - Acquisitions (Details Textual) - USD ($) $ in Thousands |  |  |  |  |  |  | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 06, 2021 | Apr. 02, 2021 | Oct. 20, 2020 | Jun. 04, 2019 | Aug. 01, 2018 | Jul. 02, 2018 | Jun. 30, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  |  |  | $ 225,352 | $ (0) | $ 289,492
Gain (Loss) on Escrow Settlement |  |  |  |  |  |  |  | (0) | 7,170 | $ (0)
Changzhou Eminence Biotechnology [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 47.60% |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  | $ 9,800 |  |  |  |  |  |  |
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value |  |  | 8,985 |  |  |  | $ 8,985 | 8,985 |  |
Payments to Acquire Businesses, Gross |  | $ 6,000 |  |  |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, including Subsequent Acquisition, Percentage, Total |  | 57.40% |  |  |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary, Maximum Loss Exposure, Portion Stemming from Initial Investment |  |  |  |  |  |  | 15,800 | 15,800 |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  | (963) |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  | $ 9,765 |  |  |  | 9,765 |  |  |
Changzhou Eminence Biotechnology [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  | 13 years |  |  |  |  |  |  |
Changzhou Eminence Biotechnology [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  | 10 years |  |  |  |  |  |  |
Acquisition of Asuragen, Inc. [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total | $ 233,887 |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total | 215,587 |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | 105,000 |  |  |  |  |  | 105,000 | 105,000 |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual | 7,100 |  |  |  |  |  |  |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual | $ (3,400) |  |  |  |  |  |  |  |  |
Acquisition of Asuragen, Inc. [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 14 years |  |  |  |  |  |  |  |  |
Acquisition of Asuragen, Inc. [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 16 years |  |  |  |  |  |  |  |  |
Acquisition of Asuragen, Inc. [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 5 years |  |  |  |  |  |  |  |  |
Acquisition of Asuragen, Inc. [Member] | Noncompete Agreements [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 3 years |  |  |  |  |  |  |  |  |
QT Holdings Corporation [Member] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  | $ 20,500 |  |  | 20,462 |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  | $ 51,000 | 51,000 | 51,000 |  |
QT Holdings Corporation [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  | 14 years |  |  |  |
Exosome Diagnostics, Inc [Member] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  | $ 251,600 |  |  |  | 251,623 |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  | 325,000 |  |  |  |  |
Gain (Loss) on Escrow Settlement |  |  |  |  | $ 7,200 |  |  |  |  |
Exosome Diagnostics, Inc [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  | 15 years |  |  |  |  |
Exosome Diagnostics, Inc [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  | 15 years |  |  |  |  |
B-MoGen [Member] |  |  |  |  |  |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  |  | 300 |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  | 14 years |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  | $ 17,500 |  |  |  |  | $ 17,448 |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  | 38,000 |  |  | $ 38,000 | $ 38,000 |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Before Remeasurement to Fair Value |  |  |  | 1,400 |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain |  |  |  | $ 3,700 |  |  |  |  |  |
B-MoGen [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 14 years |  |  |  |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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