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Area of land held.

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Area of a real estate property.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount of the required periodic payments including both interest and principal payments.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Note 10 - Debt and Commitments (Details Textual)	1 Months Ended		3 Months Ended		12 Months Ended
Note 10 - Debt and Commitments (Details Textual)	Apr. 30, 2022 USD ($) ft²	Nov. 30, 2015 USD ($) ft² a	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2023 USD ($)	Oct. 31, 2020
Investment Margin Account			$ 70,000,000			$ 75,000,000
Payments to Acquire Property, Plant, and Equipment			5,000	$ 36,000
Deferred Compensation Liability, Current and Noncurrent			387,000
The 409 (A) Plan [Member]
Deferred Compensation Liability, Current and Noncurrent			379,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Area of Real Estate Property \| ft²	17,564
Proceeds from Sale, Land, Held-for-Use	$ 381,000
UTAH \| Building [Member]
Area of Real Estate Property \| ft²		30,700
UTAH \| Land [Member]
Area of Land \| a		3.6
Payments to Acquire Property, Plant, and Equipment		$ 1,240,000
Margin Account [Member]
Proceeds from Issuance of Debt			40,500,000		$ 29,500,000
Investment Margin Account			$ 70,000,000
Debt Instrument, Interest Rate, Effective Percentage			6.00%
Margin Account [Member] \| Fed Funds Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.50%
Real Estate Bank Loan Secured by Logan Office [Member]
Loans Payable to Bank		$ 2,260,000	$ 1,240,000
Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate		4.66%					3.33%
Long-Term Debt, Term							10 years
Debt Instrument, Periodic Payment			$ 16,700