Note 4 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Property and equipment	$ 8,525,265	$ 6,458,645
Less: accumulated depreciation	(5,419,339)	(4,901,124)
Net property and equipment	3,105,926	1,557,521
Software and Software Development Costs [Member]
Property and equipment	5,724,971	4,951,648
Equipment [Member]
Property and equipment	2,137,364	891,838
Furniture and Fixtures [Member]
Property and equipment	492,347	444,576
Leasehold Improvements [Member]
Property and equipment	$ 170,583	$ 170,583

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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