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Note 10 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Salaries, wages, employment taxes and withholdings $ 1,644 $ 1,548
Employee benefit plans 891 861
Accrued professional fees 734 697
Income, property and other taxes 201 176
Contract liabilities – short term 27,909 15,013
Deferred gain from sale-leaseback 305 286
Other 1,632 1,065
Accrued liabilities $ 33,316 $ 19,646