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Goodwill and Other Intangible Assets - Schedule of Changes in the Carrying Amount of Goodwill (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2025 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 1,003
Goodwill related to Remsdaq acquisition	5,143
Foreign currency translation adjustment	(21)
Goodwill, ending balance	$ 6,125

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- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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