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Note 20 - Transactions With Related Entities - Summary of Transactions Between Company and Related Entities (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Property rental fee expense paid to the Parent $ 303
Corporate financial, administrative, executive services, and research and development services provided to the Parent 148
Services rendered by an indirect shareholder of the Parent $ 15