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Note 5 - Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Accrued employee liabilities $ 2,549 $ 1,474
Accrued property, franchise, motor fuel and other taxes 1,542 1,248
Other 321 254
Total $ 4,412 $ 2,976