v3.25.4
Note 1 - Organization, Operations and Significant Accounting Policies - Concentration of Credit Risk (Details) - Customer Concentration Risk [Member] - Revenue Benchmark [Member]
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Purchaser A [Member]    
Concentration risk, percentage 54.00% 27.00%
Purchaser B [Member]    
Concentration risk, percentage 15.00% 27.00%
Purchaser C [Member]    
Concentration risk, percentage 6.00% 4.00%