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Note 12 - Significant Customers and Concentrations - Concentration of Risk (Details) - Customer Concentration Risk [Member]
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Accounts Receivable [Member] | Customer C [Member]      
Concentration Risk, Percentage     24.00%
Concentration Risk, Percentage     24.00%
Accounts Receivable [Member] | Customer D [Member]      
Concentration Risk, Percentage     13.00%
Concentration Risk, Percentage     13.00%
Accounts Receivable [Member] | Customer E [Member]      
Concentration Risk, Percentage     11.00%
Concentration Risk, Percentage     11.00%
Revenue Benchmark [Member] | Customer C [Member]      
Concentration Risk, Percentage     15.00%
Concentration Risk, Percentage     15.00%
Revenue Benchmark [Member] | Customer A [Member]      
Concentration Risk, Percentage 13.00%    
Concentration Risk, Percentage 13.00%    
Revenue Benchmark [Member] | Customer B [Member]      
Concentration Risk, Percentage   12.00%  
Concentration Risk, Percentage   12.00%