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Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Goodwill [Line Items]
Balance as of September 30, 2024			$ 13,329
Acquisitions			0
Currency translation			122
Balance as of June 30, 2025	$ 13,451		13,451
Balance as of September 30, 2024			8,506
Acquisitions			0
Amortization	(577)	$ (619)	(1,779)	$ (1,858)
Currency translation			(3)
Balance as of June 30, 2025	6,724		6,724
Hardware [Member]
Goodwill [Line Items]
Balance as of September 30, 2024			0
Acquisitions			0
Currency translation			0
Balance as of June 30, 2025	0		0
Balance as of September 30, 2024			14
Acquisitions			0
Amortization			(2)
Currency translation			0
Balance as of June 30, 2025	12		12
Software [Member]
Goodwill [Line Items]
Balance as of September 30, 2024			13,329
Acquisitions			0
Currency translation			122
Balance as of June 30, 2025	13,451		13,451
Balance as of September 30, 2024			8,492
Acquisitions			0
Amortization			(1,777)
Currency translation			(3)
Balance as of June 30, 2025	$ 6,712		$ 6,712