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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2023	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023	Aug. 15, 2025
Finite-Lived Intangible Assets [Line Items]
Goodwill		$ 6,125,000	$ 1,003,000	$ 1,003,000
Other intangible assets		6,138,000	500,000
Impairment of goodwill		0	0	0
Amortization of intangible assets		112,000	$ 0	$ 0
Remsdaq Ltd
Finite-Lived Intangible Assets [Line Items]
Goodwill		5,100,000			$ 5,143,000
Intangible assets		$ 5,600,000			$ 5,773,000
Intellectual Property
Finite-Lived Intangible Assets [Line Items]
Intangible asset acquisition, consideration	$ 500,000

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