Concentrations (Details) $ in Millions	12 Months Ended
Sep. 30, 2024 USD ($) customer item	Sep. 30, 2023 USD ($) customer item	Sep. 30, 2022 USD ($) customer item
Concentration of Credit Risk
Concentration of Credit Risk
Number of banks for maintenance of cash balances \| item	2
Revenues Net [Member] \| Customer Concentration Risk [Member] \| Five Customers
Concentrations
Number of major customers \| customer	5	5	5
Concentration of risk (as a percent)	42.00%	54.00%	58.00%
Accounts receivable \| Customer Concentration Risk [Member] \| Five Customers
Concentrations
Number of customers \| customer	5	5	5
Accounts receivable and contract assets \| $	$ 7.6	$ 3.5	$ 3.3
Inventory [Member] \| Supplier Concentration Risk [Member]
Concentrations
Concentration risk threshold percentage	63.10%	49.00%	33.70%
Number of major suppliers \| item	4	4	3

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- Definition

Represents concentration risk threshold percentage.

+ References

No definition available.

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Represents the number of banks for maintenance of cash balances.

+ References

No definition available.

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- Definition

Number of customers accounted for 27% of accounts receivable.

+ References

No definition available.

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- Definition

Represents the number of major customers of the entity.

+ References

No definition available.

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- Definition

Represents the number of major suppliers of the entity.

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ References

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