Note 6 - Income Tax Provision - Reconciliation of Income Tax (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Income before total federal income tax	$ (346,187)	$ 299,175
Tax rate	21.00%	21.00%
Expected income tax expense (benefit)	$ (72,700)	$ 62,827
Effect of tax-exempt income	(19,588)	(32,318)
Disallowed deductions	1,181	1,012
Change in unrealized - valuation allowance and unrealized gains (losses)	56,601	148,778
Other GAAP to tax differences	0	4,043
Return-to-Provision adjustments	20,471	0
Prior period estimate adjustments	107,906	0
Change in valuation allowance	(774,413)	(324,616)
Total	$ (680,542)	$ (140,274)

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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