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Note 4 - Acquisitions (Details Textual) - USD ($) $ in Thousands |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 04, 2019 | Feb. 01, 2019 | Aug. 01, 2018 | Jul. 02, 2018 | Feb. 01, 2018 | Jan. 02, 2018 | Sep. 05, 2017 | Jun. 30, 2020 | Jun. 30, 2019 | Feb. 01, 2019 | Jun. 30, 2018
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  |  |  | $ (0) | $ 289,492 |  | $ 67,851
Gain (Loss) on Escrow Settlement |  |  |  |  |  |  |  | 7,170 | $ (0) |  | $ (0)
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 |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  | $ 0 |  |  |  |  |  |  |
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 |  |  |  |  | 325,000 |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  | 0 |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |
Exosome Diagnostics, Inc [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  | 14 years |  |  |  |  |  |  |  |
B-MoGen [Member] |  |  |  |  |  |  |  |  |  |  |
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 |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount | 0 |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  | 300 |  |  |
B-MoGen [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 14 years |  |  |  |  |  |  |  |  |  |
Trevigen Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  |  | $ 10,600 | 10,644 |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  |  |  |  | $ 0 |  |  |  |
Atlanta Biologicals [Member] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  | $ 51,300 |  | 51,274 |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  |  |  | $ 0 |  |  |  |  |
Atlanta Biologicals [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  | 13 years |  |  |  |  |
Atlanta Biologicals [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  | 15 years |  |  |  |  |
Atlanta Biologicals [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  | 12 years |  |  |  |  |
Eurocell Diagnostics, SAS [Member] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  | $ 1,300 |  |  | $ 6,000 |  |  | $ 5,933 |  | $ 7,300 |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  |  | $ 0 |  |  |  |  |  |
Eurocell Diagnostics, SAS [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  | 7 years |  |  |  |  |  |

X
- Definition Represents the amount of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages, before remeasurement to fair value. + References No definition available. + Details
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- Definition The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + 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=116868678&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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