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Note 24 - Subsequent Event (Details Textual) - Subsequent Event [Member] - USD ($) $ in Millions | Oct. 27, 2023 | Oct. 23, 2023
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National Institute of Clinical Research, Inc. ("NICR") [Member] |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  | 5.00%
National Institute of Clinical Research, Inc. ("NICR") [Member] |  |
Business Acquisition, Percentage of Voting Interests Acquired |  | 95.00%
Business Combination, Consideration Transferred |  | $ 7.9
Digital Diagnostics Imaging, Inc. ("DDI") [Member] |  |
Business Combination, Consideration Transferred | $ 11.0 |
Payments to Acquire Businesses, Gross | 5.4 |
Business Combination, Consideration Transferred, Liabilities Incurred | $ 5.6 |

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