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Note 9 - Leases - Future Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
2020, finance leases | $ 499 |
2020, operating leases | 1,963 |
2021, finance leases | 382 |
2021, operating leases | 1,290 |
2022, finance leases | 361 |
2022, operating leases | 984 |
2023, finance leases | 157 |
2023, operating leases | 802 |
2024, finance leases | 471 |
2024, operating leases | 814 |
Thereafter, finance leases |  |
Thereafter, operating leases | 3,664 |
Total lease payments, finance leases | 1,870 |
Total lease payments, operating leases | 9,517 |
Amount representing interest, finance leases | (229) |
Amount representing interest, operating leases | (1,628) |
Present value of lease liabilities, finance leases | 1,641 |
Accrued Liabilities and Other Long-term Liabilities [Member] |  |
Present value of lease liabilities, finance leases | 1,641 |
Present value of lease liabilities, operating leases | 7,889 |
Accrued Liability [Member] |  |
Current portion of lease liabilities, included in Accrued liabilities, finance leases | (420) | $ (416)
Current portion of lease liabilities, included in Accrued liabilities, operating leases | (1,642) |
Other Noncurrent Liabilities [Member] |  |
Lease liabilities, less current portion, included in Other long-term liabilities, finance leases | 1,221 |
Lease liabilities, less current portion, included in Other long-term liabilities, operating leases | $ 6,247 |

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