Note 15 - Income Taxes - Provision for Income Taxes (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Federal
State
Federal	1,097,146	1,262,452
State	95,202	322,027
Valuation allowance	(1,192,348)	(1,584,479)
Total income tax provision

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

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

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Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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