Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

CONSOLIDATED SCHEDULE OF PORTFOLIO INVESTMENTS (Unaudited) (Parenthetical)

v3.23.1

CONSOLIDATED SCHEDULE OF PORTFOLIO INVESTMENTS (Unaudited) (Parenthetical) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Percentage of fair value level 3 investments	89.00%	90.00%
Investment at Cost	$ 61,000,275	$ 55,716,237
Interest due from investments	$ 50,000	$ 50,000
Blocker corporation
Schedule of Investments [Line Items]
Equity owned percentage	100.00%	100.00%
Fair Value
Schedule of Investments [Line Items]
Investment at Cost	$ 61,000,000.0	$ 55,700,000
Net unrealized appreciation	7,200,000	5,800,000
Unrealized appreciation of investment securities	14,900,000	13,500,000
Unrealized depreciation of investment securities	7,700,000	7,700,000
Aggregate gross unrealized gain for federal income tax	14,600,000	13,200,000
Aggregate gross unrealized loss for federal income tax	6,700,000	6,700,000
Net unrealized gain for federal income tax	7,900,000	6,500,000
Tax cost	$ 60,300,000	$ 55,000,000.0
Minimum
Schedule of Investments [Line Items]
Percentage of voting securities	5.00%	5.00%
Percentage of board representation	50.00%	50.00%
Maximum
Schedule of Investments [Line Items]
Percentage of voting securities	25.00%	25.00%

- Definition

Gross unrealized gain for federal income tax.

+ References

No definition available.

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- Definition

Gross unrealized loss for federal income tax.

+ References

No definition available.

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- Definition

Interest due from investments.

+ References

No definition available.

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- Definition

Net unrealized gain for federal income taxes.

+ References

No definition available.

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- Definition

Percentage of board representation.

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No definition available.

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- Definition

Percentage of fair value level 3 investments.

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- Definition

Percentage of voting securities.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
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- Definition

Cost of the investment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section 50
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- Definition

This element represents the excess of the cost (face amount, notional amount) of an investment (security, contract) over its fair value which deficiency has not been recognized in earnings of the entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

This element represents the net excess or deficiency of the fair value of an investment (security, contract) over or under its cost (face amount, notional amount), respectively, which excess value or deficiency has not been recognized in earnings of the entity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The aggregate cost of investments for Federal income tax purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 10
-Section S99
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