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Note 5 - Business Segment Reporting (Details Textual)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Number of Reportable Segments 4    
Number of Operating Segments 4    
Customer Concentration Risk [Member] | Revenue Benchmark [Member]      
Number of Major Customers 0 1 1
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | One Customer [Member]      
Concentration Risk, Percentage   10.50% 12.50%
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] | UNITED STATES      
Concentration Risk, Percentage 19.30% 17.60% 18.40%