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Fair Value Measurements - Holdback Liability Measured at Fair Value on a Non-recurring Basis (Details) - Fair Value, Nonrecurring [Member] - Evertel Technologies, LLC [Member] - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Holdback Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance	$ 250	$ 230
Accretion		20
Payment	(250)
Balance	0	250
Contingent Consideration Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance	$ 0	890
Accretion		(16)
Payment		(874)
Balance		$ 0

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