Note 14 - Income Taxes - Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Continuing operations	$ (2,956)	$ (1,342)	$ (2,251)
Income tax expense	411	1,136	645
Total income tax (benefit)	(2,545)	(206)	(1,606)
Current:
Federal
State and local
Foreign
Total current provision
Deferred:
Federal	(2,368)	(894)	(1,370)
State and local	(588)	(142)	(1)
Foreign		(306)	(880)
Total deferred (benefit)	(2,956)	(1,342)	(2,251)
Total income tax (benefit)	$ (2,956)	$ (1,342)	$ (2,251)