Note 6 - Property and Equipment - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment, Gross	$ 8,617	$ 8,632
Less: accumulated depreciation	(6,861)	(6,151)
Totals	1,756	2,481
Leasehold Improvements [Member]
Property, Plant and Equipment, Gross	3,779	3,779
Computer Equipment [Member]
Property, Plant and Equipment, Gross	2,177	2,192
Telephone Equipment [Member]
Property, Plant and Equipment, Gross	302	302
Furniture and Fixtures [Member]
Property, Plant and Equipment, Gross	$ 2,359	$ 2,359

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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