Note 14 - Income Taxes - Consolidated Income From Continuing Operations Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Continuing operations	$ (16,582)	$ (22,666)	$ (16,196)
Discontinued operations	12,908	5,135	2,001
Loss before income taxes	(3,674)	(17,531)	(14,195)
U.S. operations	(11,278)	(9,684)	(8,792)
Foreign operations	(5,304)	(12,982)	(7,404)
Loss from continuing operations before taxes	$ (16,582)	$ (22,666)	$ (16,196)

The amount of income (loss) before income taxes, noncontrolling interest.

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Amount before tax of income (loss) from a discontinued operation. 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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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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