The amount of excess separation costs.

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Amount of funds invested in mutual funds.

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Amount of income from mutual funds.

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Percentage of investment expense rate.

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Amount of monthly payment.

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Percentage of shares distribution under spinoff.

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Amount of salaries and benefits reimbursed.

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

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Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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Note 7 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended
	Mar. 03, 2024	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Oct. 07, 2022
Investment Income, Net		$ 499	$ 198
Gain (Loss) on Investments		(3)	345
Income Taxes Paid		$ 76	$ 134
GAMCO Investors, Inc. [Member]
Investment Expense Rate		0.08%	0.40%
Funds Invested in Mutual Funds		$ 32,977		$ 32,568
Income From Mutual Funds	$ 408		$ 434
Investment Income, Net			121
Gain (Loss) on Investments			313
MtronPTI [Member]
Percentage of Shares Distribution Under Spinoff					100.00%
Salaries and Benefits Reimbursed		26
Excess Separation Costs			28
MtronPTI [Member] \| Transitional Administrative and Management Services Agreement [Member]
Monthly Payment		4
Related Party Transaction, Amounts of Transaction		12	12
MtronPTI [Member] \| Tax Indemnity and Sharing Agreement [Member]
Income Taxes Paid		$ 0	$ 0