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Note 12 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Salaries, wages, employment taxes and withholdings $ 2,019 $ 1,720
Employee benefit plans 1,050 703
Accrued professional fees 821 3,596
Income, property and other taxes 453 387
Contract liabilities 8,369 1,509
Deferred gain from sale-leaseback 500 499
Exit and disposal activity accruals 0 145
Other 1,753 1,771
Total $ 14,965 $ 10,330