Note 16 - Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Current
Federal	$ 510,945	$ 508,165
State	106,086	114,841
Deferred expense	48,922	51,706
Provision for income taxes from continuing operations	$ 665,953	$ 674,712

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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-Section 50
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