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Note 20 - Income Tax - Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Federal and state									$ (707)	$ (191)
Foreign									290	279
current income tax (benefit) expense									(417)	88
Federal and state									(281)	(3,552)
Foreign									(117)	(212)
deferred income tax (benefit) expense									(398)	(3,764)
Total income tax benefit from continuing operations	$ (452)	$ (54)	$ (885)	$ 576	$ (3,260)	$ (652)	$ (369)	$ 605	(815)	(3,676)
Continuing operations	$ (452)	$ (54)	$ (885)	$ 576	$ (3,260)	$ (652)	$ (369)	$ 605	(815)	(3,676)
Income tax benefit from discontinued operations									0	(441)
Total income tax benefit									$ (815)	$ (4,117)

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