Note 9 - Leases - Information Related to Leases (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Operating cash outflows from operating leases | $ 52 | $ 53 | $ 104 | $ 111 |
| Weighted average remaining lease term in years (Year) | 11 months 12 days | 1 year 8 months 26 days | 11 months 12 days | 1 year 8 months 26 days |
| Weighted average discount rate | 6.00% | 6.00% | 6.00% | 6.00% |