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Segment Information - Major customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Customer Revenues	$ 13,147	$ 13,706	$ 28,817	$ 29,081
Customer E | Sales Revenue, Net | Customer Concentration Risk
Segment Reporting Information [Line Items]
Customer Revenues	$ 100	$ 2,100	$ 200	$ 2,100
Concentration risk percentage	1.00%	15.00%	1.00%	7.00%
Customer F | Sales Revenue, Net | Customer Concentration Risk
Segment Reporting Information [Line Items]
Customer Revenues	$ 1,500	$ 300	$ 2,600	$ 800
Concentration risk percentage	11.00%	2.00%	9.00%	3.00%

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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