v3.26.1
Note 2 - Trade Accounts Receivable - Summary of Customers (Details) - Customer Concentration Risk [Member]
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Revenue Benchmark [Member] | Company A [Member]          
Concentration risk 51.00% 52.00% 42.00% 47.00%  
Revenue Benchmark [Member] | Company B [Member]          
Concentration risk 22.00% 29.00% 24.00% 28.00%  
Revenue Benchmark [Member] | Company A and B [Member]          
Concentration risk 73.00% 81.00% 66.00% 75.00%  
Accounts Receivable [Member] | Company A [Member]          
Concentration risk     48.00%   45.00%
Accounts Receivable [Member] | Company B [Member]          
Concentration risk     28.00%   24.00%
Accounts Receivable [Member] | Company A and B [Member]          
Concentration risk     76.00%   69.00%