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Note 5 - Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Accrued employee liabilities $ 1,529 $ 864
Accrued property, franchise, motor fuel and other taxes 1,978 1,428
Other 348 335
Total $ 3,855 $ 2,627