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Note 13 - Discontinued Operations (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	$ (316)	$ 213	$ (579)	$ (162)
Discontinued Operation, Amounts of Material Contingent Liabilities Remaining	$ 8,597		8,597		$ 8,209
Cash Provided by (Used in) Operating Activities, Discontinued Operations			$ (195)	$ (663)

Amounts of material contingent liabilities, for example, but not limited to, product or environmental liabilities or litigation, that remain with the entity despite the disposal of the disposal group that is classified as a component of the entity.

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- Definition

Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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