Note 4 - Property and Equipment - Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property and euqipment, gross	$ 6,379	$ 6,225
Less: Accumulated depreciation	(5,451)	(4,300)
Property and equipment, net	928	1,925
Furniture and Fixtures [Member]
Property and euqipment, gross	1,490	1,488
Software and Software Development Costs [Member]
Property and euqipment, gross	2,944	2,944
Computer Equipment [Member]
Property and euqipment, gross	981	829
Leasehold Improvements [Member]
Property and euqipment, gross	$ 964	$ 964

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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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