v3.26.1
Note 11 - Concentration of Credit Risk (Details Textual) - Rental Income [Member] - Customer Concentration Risk [Member]
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Tenant One [Member]    
Concentration Risk, Percentage 26.00%  
Tenant Two [Member]    
Concentration Risk, Percentage 19.00%  
Tenant Three [Member]    
Concentration Risk, Percentage 11.00%  
Tenant 1 [Member]    
Concentration Risk, Percentage   25.00%
Tenant 2 [Member]    
Concentration Risk, Percentage   21.00%
Tenant 3 [Member]    
Concentration Risk, Percentage   9.00%