v3.26.1
Note 2 - Leases (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Increase (Decrease) in Lease Obligation From Modification $ 224,000     $ 1,344,000 $ 224,000 $ 1,344,000  
Operating Lease, Impairment Loss         0   $ 2,708,000
Gain (Loss) on Remeasurement of Operating Lease Liability   $ 2,753,000 $ (0)   2,753,000 (0)  
Increase (Decrease) in Operating Lease Liability         (93,000) (444,000)  
Tel Aviv [Member]              
Gain (Loss) on Remeasurement of Operating Lease Liability   2,753,000          
Office Space in Plano, Texas [Member]              
Gain (Loss) on Termination of Lease         (117,000) $ (0)  
Operating Lease, Early Termination, Liability   50,000     50,000    
Increase (Decrease) in Operating Lease Liability         (77,000)    
Operating Lease, Right-of-Use Asset, Reduction   $ 144,000     $ 144,000    
Minimum [Member]              
Lessee, Operating Lease, Remaining Lease Term (Year)   1 year     1 year    
Maximum [Member]              
Lessee, Operating Lease, Remaining Lease Term (Year)   8 years     8 years