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Note 24 - Subsequent Event (Details Textual) - Subsequent Event [Member] - USD ($)
$ in Millions
Oct. 27, 2023
Oct. 23, 2023
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