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Note 12 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Salaries, wages, employment taxes and withholdings $ 1,720 $ 2,332
Employee benefit plans 703 1,020
Accrued professional fees 3,596 3,493
Income, property and other taxes 387 360
Deferred revenue 1,273 435
Deferred gain from sale-leaseback 499 477
Exit and disposal activity accruals 145 427
Other 2,007 2,277
Total $ 10,330 $ 10,821