Note 15 - Leases (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jan. 31, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Operating Lease, Expense | $ 60 | $ 81 | $ 117 | $ 136 | |
| Operating Lease, Weighted Average Remaining Lease Term (Year) | 4 years 6 months | 4 years 6 months | |||
| Operating Lease, Weighted Average Discount Rate, Percent | 4.50% | 4.50% | |||
| Malta Office [Member] | |||||
| Lessee, Operating Lease, Term of Contract (Year) | 6 years | ||||
| Lessee, Operating Lease, Option to Terminate, Term (Year) | 3 years | ||||
| Operating Lease, Monthly Payments | $ 15 | ||||
| Operating Lease, Annual Rate Increase, Percentage | 3.00% | ||||