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Note 9 - Income Taxes - United States and Foreign Income (Loss) From Continuing Operations Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
United States $ 2,803 $ 2,582
Foreign 777 568
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest $ 3,580 $ 3,150