Note 5 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment, Gross	$ 1,273	$ 1,894
Less: accumulated depreciation and amortization	(498)	(1,041)
Property and equipment–net	775	853
Computer Equipment and Software [Member]
Property, Plant and Equipment, Gross	452	1,109
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment, Gross	23	91
Leasehold Improvements [Member]
Property, Plant and Equipment, Gross	2	56
Building [Member]
Property, Plant and Equipment, Gross	$ 796	$ 638