Credit Agreement and PPP Loan - Narrative (Details)	Aug. 09, 2022 USD ($) creditFacility	May 06, 2020 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Line of Credit Facility [Line Items]
Standby letters of credit, total amount outstanding			$ 5,042,000	$ 0
Paycheck Protection Program
Line of Credit Facility [Line Items]
Proceeds from Paycheck Protection Program - CARES Act		$ 6,500,000
PPP loan balance - CARES Act			0
New ABL Credit Agreement
Line of Credit Facility [Line Items]
Excess availability term	$ 5,000,000
Excess availability term, percentage	0.15
Fixed charge coverage ration (not less than)	1.10
Revolving Credit Facility | New ABL Credit Agreement
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 40,000,000
Debt instrument, closing fee percentage	1.00%
Unused capacity fee percentage	0.50%
Long-term line of credit	$ 14,300,000		9,600,000
Standby letters of credit, total amount outstanding			5,900,000
Line of credit facility, remaining borrowing capacity			$ 3,900,000
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | New ABL Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	3.75%
Secured Debt | New ABL Credit Agreement
Line of Credit Facility [Line Items]
Principal amount	$ 6,000,000
Debt instrument, closing fee percentage	1.50%
Secured Debt | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | New ABL Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	5.50%
Secured Debt | Revolving Credit Facility
Line of Credit Facility [Line Items]
Number of credit facilities | creditFacility	2