Note 1 - Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Cost	$ 8,801,168	$ 8,653,054
Accumulated depreciation	(5,949,933)	(5,619,706)
Net property and equipment	2,851,235	3,033,348
Automobiles [Member]
Cost	530,722	505,788
Furniture and Fixtures [Member]
Cost	474,401	457,218
Computer Equipment [Member]
Cost	3,917,136	3,823,416
Home Office [Member]
Cost	$ 3,878,909	$ 3,866,632

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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