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Note 8 - Leases - Future Commitments Under Long-term Leases (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
2023, finance | $ 186 |
2023, operating | 577 |
2023, total | 763 |
2024, finance | 135 |
2024, operating | 495 |
2024, total | 630 |
2025, finance | 127 |
2025, operating | 304 |
2025, total | 431 |
2026, finance | 64 |
2026, operating | 255 |
2026, total | 319 |
2027, finance | 38 |
2027, operating | 84 |
2027, total | 122 |
Thereafter, finance | 390 |
Thereafter, operating | 0 |
Thereafter, total | 390 |
Total lease payments, finance | 940 |
Total lease payments, operating | 1,715 |
Total lease payments, total | 2,655 |
Less imputed interest, finance | 290 |
Less imputed interest, operating | 127 |
Less imputed interest, total | 417 |
Total, finance | 650 | $ 663
Total, operating | 1,588 | 1,598
Total, total | 2,238 |
Less: current portion of obligations under leases, finance | 157 | 167
Less: current portion of obligations under leases, operating | 519 | 534
Less: current portion of obligations under leases, total | 676 |
Long-term portion of obligations under leases, finance | 493 | 496
Long-term portion of obligations under operating leases | 1,069 | $ 1,064
Long-term portion of obligations under leases, total | $ 1,562 |

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