v3.26.1
Note 12 - Significant Customers and Concentrations (Details Textual) - Geographic Concentration Risk [Member] - Assets, Total [Member]
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
DENMARK    
Concentration Risk, Percentage 87.00% 97.00%
CHINA    
Concentration Risk, Percentage 3.00% 3.00%
UNITED STATES    
Concentration Risk, Percentage 10.00% 0.00%