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Note 5 - Fair Value Measurements (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2020 | Jun. 30, 2019 | Jun. 04, 2019 | Oct. 31, 2018 | Aug. 01, 2018 | Jul. 02, 2018
Business Combination, Liabilities Arising from Contingencies, Amount Recognized |  |  |  | $ 14.6 |  |  |
Exosome Diagnostics, Inc [Member] |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 325.0 | $ 325.0 |  |  |  |  |
Business Combination, Liabilities Arising from Contingencies, Amount Recognized |  |  |  |  |  | $ 3.8 |
QT Holdings Corporation [Member] |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | 51.0 | 51.0 |  |  |  |  |
Business Combination, Liabilities Arising from Contingencies, Amount Recognized |  |  |  |  |  |  | $ 5.3
B-MoGen [Member] |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | 38.0 | 38.0 |  | 38.0 |  |  |
Business Combination, Liabilities Arising from Contingencies, Amount Recognized |  |  |  | $ 5.5 |  |  |
Embedded Derivative Financial Instruments [Member] |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax | 1.3 | 2.1 |  |  |  |  |
Embedded Derivative Financial Instruments [Member] | Cash Flow Hedging [Member] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  | $ 380.0 |  |
CCXI [Member] |  |  |  |  |  |  |
Investments, Total | 7.6 | 7.6 | $ 18.8 |  |  |  |
CCXI [Member] | Warrant to Purchase Equity Shares [Member] |  |  |  |  |  |  |
Warrants and Rights Outstanding | $ 5.6 | $ 5.6 |  |  |  |  |

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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + 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 (c)(3) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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- Definition The amount, measured at acquisition-date fair value, of all liabilities assumed that arise from contingencies and were recognized by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(h)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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