Portfolio Securities (Details Narrative) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Morgan E&P, LLC [Member]
Increase in fair value of investment	$ 750
Senior Debt Financing Facility	10,000
Amount Drawn Under the Facility	750
Change in Fair Value	6,800
Debt Instrument, Drawn Amount	$ 500,000,000
Equus Energy, LLC [Member]
Increase in fair value of investment		$ 2,500

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Amount of realized and unrealized gain (loss) on investment.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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