Long-Term Debt - Additional Information (Details) - USD ($)			12 Months Ended
	Dec. 05, 2023	Jan. 17, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Interest expense on long term debt and finance lease liabilities			$ 600,000	$ 500,000	$ 100,000
Debt covenant description			The Loan Agreement additionally contains financial covenants such that, as of the end of each of their fiscal quarters, beginning March 31, 2023, the Borrowers must maintain (i) a ratio of consolidated debt owed to Lender to consolidated EBITDA (as defined in the Loan Agreement) for such fiscal quarter, of not greater than 1.50 to 1.00, through December 31, 2024, based on a building four quarters (as described in the Loan Agreement), and then 1.00 to 1.00 each fiscal quarter thereafter, (ii) a ratio of (a) the total for such fiscal quarter of EBITDAR (as defined in the Loan Agreement) minus the sum of all income taxes paid in cash plus cash dividends/distributions plus maintenance Capital Expenditures (as defined in the Loan Agreement) plus management fees paid in cash, to (b) the sum for such fiscal quarter of (1) Interest Charges (as defined in the Loan Agreement) plus (2) required payments of principal on Debt (as defined in the Loan Agreement) (including the Term Loan, but excluding the Revolver) plus (3) operating lease/rent expense, of not less than 1.30 to 1.00 based on a building four quarters (as described in the Loan Agreement), and (iii) a consolidated working capital of current assets (excluding related party receivables and prepaid expenses) minus current liabilities of at least $35.0 million.	The Revolver has a floating per annum rate of interest equal to the Prime Rate, adjusted daily. Under the Loan Agreement, we are required to pay a non-utilization fee equal to 0.125% of any unused portion of the Revolver in excess of any letter of credit obligations.
Finance leases			$ 290,000	$ 114,000
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]			us-gaap:DebtAndCapitalLeaseObligations	us-gaap:DebtAndCapitalLeaseObligations
Term Loan | Minimum
Debt Instrument [Line Items]
Operating lease or rent expense ratio			1.00%
Loan Agreement | Minimum
Debt Instrument [Line Items]
Consolidated working capital			$ 35,000,000
Operating lease or rent expense ratio			1.00%
Loan Agreement | Maximum
Debt Instrument [Line Items]
Operating lease or rent expense ratio			1.30%
Loan Agreement | UMB Bank, N.A. | Revolving Loan Facility
Debt Instrument [Line Items]
Loan facility available		$ 8,000,000
Loan facility maturity date		Jan. 17, 2024
Loan Agreement | UMB Bank, N.A. | Term Loan
Debt Instrument [Line Items]
Debt instruments carrying value		$ 12,000,000
Debt instrument maturity date		Jan. 17, 2028
Interest rate				6.38%
Forbearance & Modification Agreement
Debt Instrument [Line Items]
Debt instruments carrying value	$ 10,000,000
Forbearance & Modification Agreement | Revolving Loan Facility
Debt Instrument [Line Items]
Amount drawn	5,600,000
Forbearance & Modification Agreement | Term Loan
Debt Instrument [Line Items]
Debt instruments carrying value	$ 4,400,000
Forbearance & Modification Agreement | Term Loan | Revolving Loan Facility
Debt Instrument [Line Items]
Percentage of non-utilization fee	0.125%
Forbearance & Modification Agreement | UMB Bank, N.A. | Revolving Loan Facility
Debt Instrument [Line Items]
Debt instruments carrying value				$ 0
Loan facility available	$ 14,000		$ 8,000,000
Forbearance & Modification Agreement | UMB Bank, N.A. | Revolving Loan Facility | Minimum
Debt Instrument [Line Items]
Expiration period			1 year
Forbearance & Modification Agreement | UMB Bank, N.A. | Revolving Loan Facility | Maximum
Debt Instrument [Line Items]
Loan facility maturity date			Jan. 17, 2025
Forbearance & Modification Agreement | UMB Bank, N.A. | Term Loan
Debt Instrument [Line Items]
Debt instruments carrying value	$ 4,423,200,000		$ 12,000,000
Debt instrument maturity date	Jan. 17, 2029		Jan. 17, 2028