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Note 10 - Income Taxes - Provision for Income Taxes (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income (loss) before taxes $ 2,202,303 $ (413,379)
Income tax benefit (expense) at federal statutory rate 462,484 (86,800)
State income tax benefit (expense), net of federal benefit 97,318 (20,700)
Permanent Differences (111,237) (7,400)
Other 19,485 1,000
Net Operating Loss ("NOL") expirations 0 (66,600)
Change in federal valuation allowance 602,804 180,500
Income tax benefit $ 1,070,854 $ 0