Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
Sep. 30, 2022 USD ($) segment lease	Sep. 30, 2021 USD ($)
Number of Operating Segments \| segment	2
Research and Development Expense	$ 3,084	$ 2,887
Impairment of long-lived assets	$ 0	0
Number of leases not yet commenced \| lease	0
One single lease component	true
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 0
Inventory Valuation Reserves	$ 800	$ 2,300
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
Finite-Lived Intangible Asset, Useful Life	3 years
Property, Plant and Equipment, Useful Life	3 years
Maximum
Finite-Lived Intangible Asset, Useful Life	10 years
Property, Plant and Equipment, Useful Life	7 years

Number of leases not yet commenced.

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Number of years that all of the Company's defined benefit plans are closed to newly hired employees.

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Number of years that the Company's supplementary retirement plans are closed to newly hired employees.

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Amount, after accumulated amortization, of right-of-use asset from finance lease.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of valuation reserve for inventory.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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