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Note 7 - Leases - Future Minimum Lease Payments (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
2022 $ 2,060  
2023 1,981  
2024 1,953  
2025 1,482  
2026 981  
Thereafter 4,611  
Total lease payments 13,068  
Less interest (3,849)  
Total operating lease liabilities $ 9,219 $ 9,592