Note 10 - Debt (Details Textual) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 05, 2024 |
Apr. 01, 2022
USD ($)
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2024
USD ($)
|
Sep. 30, 2023
USD ($)
|
|
| Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] | us-gaap:SecuredOvernightFinancingRateSofrMember | ||||
| Revolving Credit Facility [Member] | Loan and Security Agreement With Bremer Bank, National Association [Member] | |||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 40,000,000 | ||||
| Debt Instrument, Basis Spread on Variable Rate | 1.85% | ||||
| Debt Instrument, Minimum Interest Rate Required | 1.80% | ||||
| Debt Instrument, Interest Rate During Period | 6.17% | ||||
| Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio | 1.2 | ||||
| Debt Instrument, Covenant, Maximum Debt to Cash Flow Ratio | 2 | ||||
| Long-Term Line of Credit | $ 0 | $ 0 | $ 0 | ||
| Debt Instrument, Collateral Amount | $ 274,219,000 |
| X | ||||||||||
- Definition Maximum debt to cash flow ratio required under debt instrument. No definition available.
|
| X | ||||||||||
- Definition Minimum debt service coverage ratio required under debt instrument. No definition available.
|
| X | ||||||||||
- Definition The minimum interest rate required for debt instrument. No definition available.
|
| X | ||||||||||
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
|
| X | ||||||||||
- Definition Amount of assets pledged to secure a debt instrument. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The average effective interest rate during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Indicates type of variable interest rate on debt instrument. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|