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Segment Information - Major customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2022
Segment Reporting Information [Line Items]
Customer Revenues	$ 17,708	$ 13,326	$ 49,321	$ 37,676
Customer A | Sales Revenue, Net | Customer Concentration Risk
Segment Reporting Information [Line Items]
Customer Revenues	$ 500	$ 2,100	$ 2,800	$ 6,400
Concentration risk percentage	3.00%	15.00%	6.00%	17.00%
Customer B | Sales Revenue, Net | Customer Concentration Risk
Segment Reporting Information [Line Items]
Customer Revenues	$ 2,300	$ 400	$ 4,100	$ 1,100
Concentration risk percentage	13.00%	3.00%	8.00%	3.00%
Customer C | Accounts Receivable | Customer Concentration Risk
Segment Reporting Information [Line Items]
Accounts receivable, gross	$ 12,200		$ 12,200		$ 15,800
Concentration risk percentage			38.00%		52.00%

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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