Note 1 - Organization and Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment, Gross	$ 19,339	$ 12,309
Accumulated depreciation	(8,968)	(5,395)
Property and equipment, net	10,371	6,914
Property and Equipment [Member]
Property, Plant and Equipment, Gross	$ 18,283	11,793
Property and Equipment [Member] \| Minimum [Member]
Useful life (Year)	3 years
Property and Equipment [Member] \| Maximum [Member]
Useful life (Year)	5 years
Software and Software Development Costs [Member]
Property, Plant and Equipment, Gross	$ 429
Software and Software Development Costs [Member] \| Minimum [Member]
Useful life (Year)	3 years
Software and Software Development Costs [Member] \| Maximum [Member]
Useful life (Year)	7 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Gross	$ 319	210
Furniture and Fixtures [Member] \| Minimum [Member]
Useful life (Year)	5 years
Furniture and Fixtures [Member] \| Maximum [Member]
Useful life (Year)	7 years
Building [Member]
Useful life (Year)	39 years
Property, Plant and Equipment, Gross	$ 308	$ 306

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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