v3.26.1
Note 12 - Revenue From Product Sales (Details Textual)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Concentration Risk, Number of Customers 2    
Revenue Benchmark [Member] | Customer Concentration Risk [Member]      
Concentration Risk, Number of Customers 2 2  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Largest Customer [Member]      
Concentration Risk, Percentage 58.00% 85.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Largest Customer [Member]      
Concentration Risk, Percentage 48.00%   59.00%