Note 17 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Foreign currency translation adjustment	$ (3,940)	$ (3,510)
Accumulated other comprehensive income (loss)	$ (3,940)	$ (3,510)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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