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Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Goodwill [Line Items]
Intangible assets, gross carrying amount	$ 16,979	$ 17,022
Amortization expense	2,357	2,478
Accumulated amortization	(10,832)	(8,516)
Finite-Lived Intangible Assets, Net	6,147	8,506	$ 8,427
Technology [Member]
Goodwill [Line Items]
Intangible assets, gross carrying amount	14,234	14,252
Customer Relationships [Member]
Goodwill [Line Items]
Intangible assets, gross carrying amount	2,063	2,081
Trade Name Portfolio [Member]
Goodwill [Line Items]
Intangible assets, gross carrying amount	610	617
Patents [Member]
Goodwill [Line Items]
Intangible assets, gross carrying amount	$ 72	$ 72

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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