v3.26.3
Note 2 - Significant Accounting Policies (Details Textual)
$ in Thousands
9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jul. 23, 2026
USD ($)
Number of Operating Segments 1    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation $ (18,827) $ (22,504)  
Number of Reportable Segments 1    
Building [Member]      
Property, Plant and Equipment, Useful Life (Year) 39 years    
Building Improvements [Member]      
Property, Plant and Equipment, Useful Life (Year) 10 years    
Share-Based Payment Arrangement, Option [Member] | Minimum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year    
Share-Based Payment Arrangement, Option [Member] | Maximum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years    
Violations of Federal Securities Laws [Member]      
Escrow Deposit $ 31,250   $ 31,250