v3.26.1
Note 8 - Leases (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Aug. 12, 2024
Operating Lease, Right-of-Use Asset $ 141,000   $ 141,000   $ 195,000  
Operating Lease, Payments 33,000 $ 32,000 66,000 $ 64,000    
H Q Operating Lease Agreement [Member]            
Lessee, Operating Lease, Term of Contract (Year)           3 years
Operating Lease, Right-of-Use Asset           $ 323,000
Lessee, Operating Lease, Discount Rate           13.30%
Security Deposit $ 14,000   $ 14,000