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Note 13 - Discontinued Operations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent $ (4,503) $ (129) $ (5,082) $ (291)  
Discontinued Operation, Amounts of Material Contingent Liabilities Remaining $ 16,127   16,127   $ 8,209
Cash Provided by (Used in) Operating Activities, Discontinued Operations     $ (312) $ (1,062)