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Note 8 - Federal Income Tax (Details Textual) - USD ($) $ in Millions	Dec. 31, 2022	Mar. 03, 2022	Dec. 31, 2021
Federal Excise Tax, Percent	4.00%	4.00%
Operating Loss Carryforwards	$ 18.8		$ 10.8
Sales and Excise Tax Payable	0.7		0.4
Tax Basis of Investments, Cost for Income Tax Purposes	721.2		453.8
Tax Basis of Investments, Gross, Unrealized Appreciation	18.5		13.0
Tax Basis of Investments, Gross, Unrealized Depreciation	$ 19.8		$ 8.7

X

- Definition

The federal excise tax percent.

+ References

No definition available.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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-Publisher FASB
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-Topic 740
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Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax.

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The aggregate cost of investments for Federal income tax purposes.

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-Topic 946
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Aggregate gross unrealized appreciation for all Investments in which there is an excess of value over tax cost.

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The aggregate gross unrealized depreciation for all Investments in which there is an excess of tax cost over value.

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