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Note 2 - Acquisitions (Details Textual) $ in Thousands |  |  |  |  |  |  |  |  | 3 Months Ended | 5 Months Ended | 6 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2018 USD ($) | Feb. 01, 2018 USD ($) | Jan. 02, 2018 USD ($) | Sep. 05, 2017 USD ($) | Aug. 01, 2016 USD ($) | Jul. 01, 2016 USD ($) | Mar. 14, 2016 USD ($) | Jul. 08, 2015 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2017 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($)
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 67,851 | $ 253,785 | $ 91,423
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,809 |
Business Combination, Contingent Consideration, Liability, Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,400 |
Payment for Contingent Consideration Liability, Financing Activities |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,900 | $ 20,316 |
Trevigen Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total | 10,644 |  |  | $ 10,634 |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  |  |  |  |  |  | 1,396 |  |  |
Trevigen Inc. [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  | 13 years |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 5,100 |  |  | $ 3,800 |  |  |  |  | 5,100 |  | 5,100 | 5,100 | 5,100 | 5,100 |  |
Trevigen Inc. [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  | 11 years |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 260 |  |  | $ 1,900 |  |  |  |  | 260 |  | 260 | 260 | 260 | 260 |  |
Trevigen Inc. [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  | 1 year 182 days |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 160 |  |  | $ 1,400 |  |  |  |  | 160 |  | 160 | 160 | 160 | 160 |  |
Atlanta Biologicals [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total | 51,274 |  | $ 51,286 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  |  |  |  |  | (11,500) |  |  |  |
Business Combination, Consideration Transferred, Total |  |  | $ 51,300 |  |  |  |  |  |  |  |  |  |  |  |  |
Atlanta Biologicals [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 13 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 23,000 |  | $ 9,000 |  |  |  |  |  | 23,000 |  | 23,000 | 23,000 | 23,000 | 23,000 |  |
Atlanta Biologicals [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 12 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 3,600 |  | $ 1,500 |  |  |  |  |  | 3,600 |  | 3,600 | 3,600 | 3,600 | 3,600 |  |
Atlanta Biologicals [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 2,300 |  | $ 1,000 |  |  |  |  |  | 2,300 |  | 2,300 | 2,300 | 2,300 | 2,300 |  |
Eurocell Diagnostics, SAS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total | 5,933 | $ 3,136 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  |  |  |  | 2,797 |  |  |  |  |
Business Combination, Consideration Transferred, Total |  | 7,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | 6,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred | 1,396 | $ 1,396 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eurocell Diagnostics, SAS [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 6,272 | $ 6,272 |  |  |  |  |  |  | 6,272 |  | 6,272 | 6,272 | 6,272 | 6,272 |  |
Advanced Cell Diagnostics (ACD) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  | $ 247,000 |  |  |  |  |  |  |  |  | 247,038 |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 287,638 |  |
Payments to Acquire Businesses, Gross |  |  |  |  | 258,000 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  | 11,000 |  |  |  |  |  |  |  |  | 3,600 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | 75,000 |  |  |  | $ 75,000 |  |  |  | 75,000 |  | 75,000 | 75,000 | 75,000 | 75,000 |  |
Business Combination, Consideration Transferred, Employee Vesting Period |  |  |  |  | 1 year 180 days |  |  |  |  |  |  |  |  |  |  |
Advanced Cell Diagnostics (ACD) [Member] | Pre-acquisition Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  | $ 3,600 |  |  |  |  |  |  |  |  |  |  |
Advanced Cell Diagnostics (ACD) [Member] | Future Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  | 7,400 |  |  |  |  |  |  |  |  |  |  |
Advanced Cell Diagnostics (ACD) [Member] | The 2016 Revenue Equal or Exceed $30 Milliom [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total |  |  |  |  | 25,000 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Trigger Amount of Revenue |  |  |  |  | 30,000 |  |  |  |  |  |  |  |  |  |  |
Advanced Cell Diagnostics (ACD) [Member] | The 2017 Revenues Equal or Exceed $45 Million [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Trigger Amount of Revenue |  |  |  |  | $ 45,000 |  |  |  |  |  |  |  |  |  |  |
Space [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  | $ 6,700 |  |  |  |  |  |  |  | 6,747 |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,003 |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  | 9,000 |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  | $ 2,300 |  |  |  |  |  |  |  | 2,256 |  |
Zephyrus [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,000 |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,500 |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  | 8,000 |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 7,000 |  |  |  |  |  | 7,000 |  | 7,000 |  | $ 7,000 | $ 7,000 | $ 7,000 | 7,000 |  |
Payment for Contingent Consideration Liability, Financing Activities |  |  |  |  |  |  |  |  | $ 3,500 | $ 3,500 |  |  |  |  |  |
Zephyrus [Member] | Instruments Sales Contingency [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  |  | $ 3,500 |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Number of Instruments Sold |  |  |  |  |  |  | 10 |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Anniversary of Closing Date |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Cumulative Sales |  |  |  |  |  |  | $ 3,000 |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Number of Years Within Closing Date |  |  |  |  |  |  | 4 years 182 days |  |  |  |  |  |  |  |  |
Zephyrus [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  |  | $ 7,400 |  |  |  |  |  |  |  |  |
Cliniqa [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  |  |  | $ 82,900 |  |  |  |  |  | 82,888 |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 82,888 |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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