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Note 2 - Acquisition (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jan. 04, 2021
Jan. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Payments to Acquire Businesses, Gross     $ (0) $ (0) $ 3,000,000
Payment for Contingent Consideration Liability, Financing Activities     $ (0) $ 1,950,000 (0)
Selling, General and Administrative Expenses [Member]          
Business Combination, Acquisition Related Costs         $ 119,000
PatientWisdom, Inc. [Member]          
Payments to Acquire Businesses, Gross $ 3,000,000        
Business Combination, Consideration Transferred, Total $ 5,000,000        
Payment for Contingent Consideration Liability, Financing Activities   $ 2,000,000      
Finite-Lived Intangible Asset, Useful Life (Year) 5 years