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Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Number of Operating Segments |  |  |  |  |  | 2
Goodwill, Impairment Loss |  |  |  | $ 8,300 |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | [1] |  |  | 8,563 |  |
Restructuring Charges, Total |  |  |  | 242 |  |
Payments for Restructuring |  |  |  | 612 |  |
Asset Impairment [Member] |  |  |  |  |  |
Asset Impairment Charges, Total |  |  |  |  | $ 1,200 |
Impairment of Long-Lived Assets to be Disposed of |  |  |  |  | $ 200 |
Employee Severance on Relocation of US Plant [Member] |  |  |  |  |  |
Restructuring Charges, Total |  |  |  | 200 |  |
Payments for Restructuring |  |  |  |  |  | $ 0
Diagnostics and Genomics [Member] |  |  |  |  |  |
Restructuring Charges, Total |  |  | $ 1,200 | 500 |  |
Wilson Wolf Corporation [Member] |  |  |  |  |  |
Payments to Acquire Investments, Total |  | $ 25,000 |  |  |  |
Wilson Wolf Corporation [Member] | First Part of Forward Contract [Member] |  |  |  |  |  |
Forward Contract, Milestone, Annual Revenue Required |  | 92,000 |  | 92,000 |  | 92,000
Forward Contract, Milestone, Annual EBITDA |  | 55,000 |  | 55,000 |  | 55,000
Forward Contract, Additional Investment |  | $ 231,000 |  | $ 231,000 |  | $ 231,000
Wilson Wolf Corporation [Member] | First Part of Forward Contract Triggered [Member] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 19.90% |  | 19.90% |  | 19.90%
Wilson Wolf Corporation [Member] | Second Part of Forward Contract [Member] |  |  |  |  |  |
Forward Contract, Milestone, Annual Revenue Required |  | $ 226,000 |  | $ 226,000 |  | $ 226,000
Forward Contract, Milestone, Annual EBITDA |  | 136,000 |  | 136,000 |  | 136,000
Forward Contract, Additional Investment |  | $ 1,000,000 |  | $ 1,000,000 |  | $ 1,000,000
Forward Contract, Milestone, Multiple for Total Expected Payments |  | 4.4 |  | 4.4 |  | 4.4
Eminence Disposition [Member] |  |  |  |  |  |
Goodwill, Impairment Loss |  |  |  |  |  | $ 8,300
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  |  |  |  |  | 8,600
Inventory Write-down |  |  |  | $ 900 |  |
Asset Impairment Charges, Total |  |  |  | 900 |  |
Income (Loss) From Non-controlling Interest, Attributable to Parent |  |  |  | (8,000) |  |
Total Assets of Impaired Asset Froup |  | $ 4,000 |  | 4,000 |  | 4,000
Inventory of Impaired Asset Group |  | 900 |  | 900 |  | 900
Accounts Receivable of Impaired Asset Group |  | 600 |  | 600 |  | 600
Other Current Assets of Impaired Asset Group |  | 200 |  | 200 |  | 200
Current Liabilities of Impaired Asset Group |  | $ 1,600 |  | $ 1,600 |  | $ 1,600
Percentage of Interest in Tangible Assets in Liquidation Process |  | 57.40% |  | 57.40% |  | 57.40%
Eminence Disposition [Member] | Fixed Assets and Related Deposits [Member] |  |  |  |  |  |
Property, Plant and Equipment of Impaired Asset Group |  | $ 3,700 |  | $ 3,700 |  | $ 3,700
[1] | As disclosed in Note 1, the Company recorded an impairment charge of $8.6 million related to Eminence in Q2 of FY'22.

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