Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2023 USD ($) lease	Sep. 30, 2023 USD ($) lease segment	Sep. 30, 2022 USD ($)	Sep. 30, 2021
Product Information [Line Items]
Year Founded		1968
Number of Operating Segments | segment		2
Employee retention credit (in percent)				70.00%
Employee Retention Tax Credit Net Of Costs	$ 2,800
Employee Retention Tax Credit, net of costs to collect		$ 2,136	$ 0
Employee Retention Tax Credit Payable	$ 640	$ 640
Managed Service Contracts, Right to Refund, Period		30 days
Research and Development Expense		$ 3,140	3,084
Impairment of long-lived assets		$ 0	0
Number of leases not yet commenced | lease	0	0
One single lease component	true	true
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 0	$ 0
Inventory Valuation Reserves	$ 1,000	$ 1,000	$ 800
Number of Years Defined Benefit Plans are Closed to Newly Hired Employees		2 years
Number of Years Supplementary Retirement Plans are Closed to Newly Hired Employees		2 years
Minimum
Product Information [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years	3 years
Property, Plant and Equipment, Useful Life	3 years	3 years
Maximum
Product Information [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years	10 years
Property, Plant and Equipment, Useful Life	7 years	7 years