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Note 8 - Leases - Operating Lease Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
LEASED ASSETS $ 1,572 $ 1,743
Operating 944 1,158
Total leased liabilities 1,573 1,744
Other accrued expenses [Member]    
Operating 629 586
Long-term Lease [Member]    
Operating $ 944 $ 1,158