Note 3 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Property and equipment	$ 9,798,306	$ 8,525,265
Less: accumulated depreciation	(6,191,149)	(5,419,339)
Net property and equipment	3,607,157	3,105,926
Software and Software Development Costs [Member]
Property and equipment	6,455,040	5,724,971
Equipment [Member]
Property and equipment	2,418,421	2,137,364
Furniture and Fixtures [Member]
Property and equipment	732,153	492,347
Leasehold Improvements [Member]
Property and equipment	$ 192,692	$ 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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