Note 12 - Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Goodwill balance		$ 8,347	$ 13,192
Goodwill impairment	$ (800)	(800)	(4,845)
Goodwill balance		7,547	8,347
US Reporting Unit [Member]
Goodwill balance		7,718	12,563
Goodwill impairment		(800)	(4,845)
Goodwill balance		6,918	7,718
London Reporting Unit [Member]
Goodwill balance		629	629
Goodwill impairment
Goodwill balance		$ 629	$ 629

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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