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Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Cash, Uninsured Amount $ 6,900   $ 6,900    
Off-Balance-Sheet, Credit Loss, Liability 0   0    
Accounts Receivable, Allowance for Credit Loss 110   110   $ 0
Provision (Reversal) for Doubtful Accounts 100   100    
Goodwill, Impairment Loss 0 $ 0 0 $ 0  
Asset Impairment Charges $ 0 $ 0 $ 0 $ 0  
Furniture and Fixtures [Member] | Minimum [Member]          
Property, Plant and Equipment, Useful Life (Year) 5 years   5 years    
Furniture and Fixtures [Member] | Maximum [Member]          
Property, Plant and Equipment, Useful Life (Year) 7 years   7 years    
Customer Relationships [Member]          
Finite-Lived Intangible Asset, Useful Life (Year) 7 years   7 years    
Trade Names [Member]          
Finite-Lived Intangible Asset, Useful Life (Year) 10 years   10 years    
Noncompete Agreements [Member]          
Finite-Lived Intangible Asset, Useful Life (Year) 5 years   5 years