Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Goodwill [Line Items]
Balance as of September 30, 2023	$ 10,282
Acquisition	2,923
Currency translation	124
Balance as of September 30, 2024	13,329	$ 10,282
Balance as of September 30, 2023	8,427
Acquisitions	2,550
Amortization	(2,478)	(2,108)
Currency translation	7
Balance as of September 30, 2024	8,506	8,427
Hardware [Member]
Goodwill [Line Items]
Balance as of September 30, 2023	0
Acquisition	0
Currency translation	0
Balance as of September 30, 2024	0	0
Balance as of September 30, 2023	17
Acquisitions	0
Amortization	(3)
Currency translation	0
Balance as of September 30, 2024	14	17
Software [Member]
Goodwill [Line Items]
Balance as of September 30, 2023	10,282
Acquisition	2,923
Currency translation	124
Balance as of September 30, 2024	13,329	10,282
Balance as of September 30, 2023	8,410
Acquisitions	2,550
Amortization	(2,475)
Currency translation	7
Balance as of September 30, 2024	$ 8,492	$ 8,410

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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