v3.26.3
Note 2 - Liquidity and Summary of Significant Accounting Policies - Summary of Concentration Risk (Details) - Customer Concentration Risk [Member]
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Customer A [Member] | Accounts Receivable [Member]          
Concentration percentage     24.00%   19.00%
Customer A [Member] | Revenue Benchmark [Member]          
Concentration percentage 30.00% 32.00% 27.00% 18.00%  
Customer B [Member] | Revenue Benchmark [Member]          
Concentration percentage       10.00%