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The maximum cash dividends to be paid as required by the terms of the credit facility.

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Represents the amount of restricted payment capacity on a line of credit facility.

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Amount of annual principal payment for debt instrument.

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

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No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Amount of interest capitalized during the period.

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Note 5 - Debt (Details Textual) $ in Thousands				3 Months Ended		9 Months Ended
Note 5 - Debt (Details Textual) $ in Thousands	Jan. 21, 2026 USD ($)	Nov. 16, 2023 USD ($)	Jan. 28, 2016 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)	Nov. 15, 2023 USD ($)
Capital and Financing Lease Obligations Number of Leases				24		24		25
Interest Expense, Debt, Excluding Amortization				$ 700	$ 800	$ 2,300	$ 2,500
Interest Costs Capitalized				100	$ 100	300	$ 200
Letter of Credit [Member]
Letters of Credit Outstanding, Amount				2,700		2,700
Line of Credit [Member]
Letters of Credit Outstanding, Amount								$ 2,400
The New Credit Facility [Member]
Line of Credit Facility, Dividend Restrictions, Maximum Amount			$ 15,000
Line of Credit Facility, Remaining Borrowing Capacity				67,300		67,300		70,100
The New Credit Facility [Member] \| Federal Funds Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.50%
The New Credit Facility [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate			1.00%
The New Credit Facility [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 75,000		70,000		70,000			$ 50,000
Line of Credit Facility, Restricted Payment Capacity		2,500
Line of Credit Facility, Dividend Restrictions, Maximum Amount		15,000
Long-Term Line of Credit, Total				0		0		$ 0
The New Credit Facility [Member] \| Standby Letters of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity				5,000		5,000
Line of Credit Facility, Restricted Payment Capacity		2,500
The New Credit Facility [Member] \| Term Loan [Member]
Debt Instrument, Face Amount		$ 35,000
Co-PACE Financing [Member]
Debt Instrument, Periodic Payment	$ 1,500
Debt Instrument, Annual Principal Payment	$ 100
Debt Instrument, Interest Rate, Stated Percentage	5.90%
Long-Term Debt, Gross				$ 1,500		$ 1,500