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Note 11 - Segment, Customer Concentration and Geographical Information (Details Textual)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Number of Reportable Segments     1
Customer Concentration Risk [Member] | Revenue Benchmark [Member]      
Number of Customers 3 3  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer One [Member]      
Concentration Risk, Percentage 59.00% 62.00%  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer Two [Member]      
Concentration Risk, Percentage 21.00% 20.00%  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer Three [Member]      
Concentration Risk, Percentage 19.00% 16.00%  
Customer Concentration Risk [Member] | Accounts Receivable [Member]      
Number of Customers 2 2  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]      
Concentration Risk, Percentage 55.00% 47.00%  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer Two [Member]      
Concentration Risk, Percentage 28.00% 33.00%