Long-Term Debt - Additional Information (Details) - USD ($)			3 Months Ended		6 Months Ended
	Dec. 05, 2023	Jan. 17, 2023	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023
Debt Instrument [Line Items]
Interest expense on long term debt and finance lease liabilities			$ 200,000	$ 200,000	$ 400,000	$ 200,000
Cash and cash equivalents			13,000,000		$ 13,000,000		$ 13,133,000
Debt covenant description					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.  The Term Loan and Revolver are secured by a first priority lien on substantially all of the Borrowers’ assets (other than certain customary excluded assets) and the Loan Agreement contains customary events of default, representations and warranties, and covenants that restrict the Borrowers’ ability to, among other things, incur additional indebtedness, other than permitted indebtedness, enter into mergers or acquisitions, sell or otherwise dispose of assets, or pay dividends, subject to customary exceptions. 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
Finance leases			$ 106,000		$ 106,000		$ 114,000
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]			us-gaap:DebtAndCapitalLeaseObligations		us-gaap:DebtAndCapitalLeaseObligations		us-gaap:DebtAndCapitalLeaseObligations
Term Loan
Debt Instrument [Line Items]
Carrying value of debt			$ 4,202,000		$ 4,202,000		$ 10,573,000
Loan and Security 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 and Security 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%		6.38%
Loan Agreement
Debt Instrument [Line Items]
EBITDA covenant					$ 1,000,000
Carrying value of debt			$ 4,200,000		4,200,000
Cash and cash equivalents			13,000,000		13,000,000
Loan Agreement | Maximum
Debt Instrument [Line Items]
EBITDA covenant					$ 800,000
Operating lease or rent expense ratio					1.30%
Loan Agreement | Minimum
Debt Instrument [Line Items]
Consolidated working capital			35,000,000		$ 35,000,000
Operating lease or rent expense ratio					1.00%
Forbearance and Modification Agreement
Debt Instrument [Line Items]
Debt instruments carrying value	$ 10,000,000
Forbearance and Modification Agreement | Revolving Loan Facility
Debt Instrument [Line Items]
Amount drawn	5,600,000
Forbearance and Modification Agreement | Term Loan
Debt Instrument [Line Items]
Debt instruments carrying value	4,400,000
Forbearance and Modification Agreement | UMB Bank, N.A. | Revolving Loan Facility
Debt Instrument [Line Items]
Debt instruments carrying value			0		$ 0		0
Loan facility available	$ 14,000,000
Percentage of non-utilization fee	0.125%
Line of credit outstanding amount			$ 300,000		$ 300,000		$ 0
Forbearance and Modification Agreement | UMB Bank, N.A. | Term Loan
Debt Instrument [Line Items]
Debt instruments carrying value	$ 4,400,000
Debt instrument maturity date	Jan. 17, 2029
Forbearance and Modification Agreement | Maximum
Debt Instrument [Line Items]
Operating lease or rent expense ratio					1.30%
Forbearance and Modification Agreement | Maximum | UMB Bank, N.A. | Revolving Loan Facility
Debt Instrument [Line Items]
Loan facility maturity date	Jan. 17, 2025
Forbearance and Modification Agreement | Minimum
Debt Instrument [Line Items]
Operating lease or rent expense ratio					1.00%
Forbearance and Modification Agreement | Minimum | UMB Bank, N.A. | Revolving Loan Facility
Debt Instrument [Line Items]
Expiration period	1 year
Forbearance and Modification Agreement | Minimum | UMB Bank, N.A. | Term Loan
Debt Instrument [Line Items]
Debt instrument term	1 year