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 | ||||