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Note 11 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Salaries, wages, employment taxes and withholdings $ 2,793 $ 2,416
Employee benefit plans 1,216 1,517
Accrued professional fees 695 966
Income, property and other taxes 253 355
Contract liabilities 6,816 5,769
Deferred gain from sale-leaseback 296 313
Other 1,340 1,159
Total $ 13,409 $ 12,495