The maximum funded debt to EBITDA ratio allowed under the covenant of the debt instrument.

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Requirement for fixed charge coverage ratio under the debt agreement.

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Minimum amount of unrestricted cash maintain under covenant of debt instrument.

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The number of installments under the debt instrument.

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Represents number of monthly installment under debt instrument.

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Represents the variable rate floor for a debt instrument.

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The number of debt instruments.

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Amount of amortization expense attributable to debt issuance costs.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Indicates type of variable interest rate on debt instrument.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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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Note 3 - Long-term Debt Financing (Details Textual)				3 Months Ended		9 Months Ended
Note 3 - Long-term Debt Financing (Details Textual)	Dec. 18, 2024 USD ($)	Jan. 25, 2024 USD ($)	Apr. 09, 2021 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Nov. 30, 2024	Apr. 09, 2024 USD ($)	Jun. 30, 2020
Long-Term Debt				$ 18,184,000		$ 18,184,000
Amortization of Debt Issuance Costs				24,000	$ 19,000	103,000	$ 77,000
Debt Issuance Costs, Net				128,000		128,000		$ 231,000
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]	Secured Overnight Financing Rate (SOFR) [Member]	Secured Overnight Financing Rate (SOFR) [Member]
The Credit Agreement [Member] \| Fifth Third Bank, N.A. [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 22,000,000
Number of Debt Instruments			3
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio			1.25
Debt Instrument, Covenant, Maximum Funded Debt to EDITDA Ratio			3
Debt Instrument, Covenant, Minimum Unrestricted Cash										$ 5,000,000
The Credit Agreement, First Loan and Second Loan Facility [Member] \| Fifth Third Bank, N.A. [Member]
Debt Instrument, Face Amount			$ 9,500,000
Long-Term Debt				16,933,000		16,933,000		18,462,000
Debt Issuance Costs, Gross				0		0		97,000
The Credit Agreement, Second Loan Facility [Member] \| Fifth Third Bank, N.A. [Member]
Debt Instrument, Face Amount			5,500,000
The Credit Agreement, Third Loan Facility [Member] \| Fifth Third Bank, N.A. [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 7,000,000
Long-Term Line of Credit				$ 2,000,000		$ 2,000,000
Debt Instrument, Term (Year)			5 years
Debt Instrument, Basis Spread on Variable Rate			3.00%
Debt Instrument, Interest Rate, Effective Percentage				7.36%		7.36%
The Credit Agreement, 2024 Supplemental Term Loan [Member] \| Fifth Third Bank, N.A. [Member]
Debt Instrument, Face Amount	$ 7,000,000	$ 2,700,000
Debt Instrument, Basis Spread on Variable Rate	3.00%	3.00%
Debt Instrument, Variable Rate, Floor	0.00%	0.00%
DFC Loan, Tranche One [Member]
Debt Instrument, Number of Installments											29
Debt Instrument, Interest Rate, Stated Percentage											3.67%
DFC Loan, Tranche Two [Member]
Debt Instrument, Number of Installments											16
Debt Instrument, Interest Rate, Stated Percentage											7.49%
DFC Loan [Member]
Long-Term Debt				$ 1,313,000		$ 1,313,000		$ 1,806,000
GKCE Loan One [Member]
Debt Instrument, Interest Rate, Stated Percentage									12.60%
Debt Instrument, Number of Monthly Installment									12
GKCE Loan Two [Member]
Debt Instrument, Interest Rate, Stated Percentage								12.78%
Debt Instrument, Number of Monthly Installment								36
GKCE Loans [Member]
Long-Term Debt				66,000		66,000		$ 145,000
Debt Issuance Costs, Gross				$ 0		$ 0