Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Goodwill [Line Items]
Balance as of September 30, 2024	$ 13,329
Acquisitions	0
Currency translation	(164)
Balance as of December 31, 2024	13,165
Balance as of September 30, 2024	8,506
Amortization	(618)	$ (619)
Currency translation	(3)
Balance as of December 31, 2024	7,885
Hardware [Member]
Goodwill [Line Items]
Balance as of September 30, 2024	0
Acquisitions	0
Currency translation	(0)
Balance as of December 31, 2024	0
Balance as of September 30, 2024	14
Acquisitions	0
Amortization	0
Currency translation	(0)
Balance as of December 31, 2024	14
Software [Member]
Goodwill [Line Items]
Balance as of September 30, 2024	13,329
Acquisitions	0
Currency translation	(164)
Balance as of December 31, 2024	13,165
Balance as of September 30, 2024	8,492
Acquisitions	0
Amortization	(618)
Currency translation	(3)
Balance as of December 31, 2024	$ 7,871

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. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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