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Revenue Concentration (Details) - USD ($) $ in Thousands	12 Months Ended
Revenue Concentration (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2022	Mar. 31, 2022
Concentration Risk [Line Items]
Accounts receivable, net	$ 27,874	$ 16,602		$ 29,553	$ 23,782
Revenue \| Customer Concentration Risk
Concentration Risk [Line Items]
Revenue	$ 25,000	$ 20,200	$ 15,800
Revenue \| Customer Concentration Risk \| Customer One
Concentration Risk [Line Items]
Concentration risk percentage	17.00%	17.00%	16.00%
Revenue \| Geographic Concentration Risk \| International
Concentration Risk [Line Items]
Concentration risk percentage	27.00%	26.00%	24.00%
Accounts Receivable \| Customer Concentration Risk
Concentration Risk [Line Items]
Accounts receivable, net	$ 7,500	$ 3,400	$ 4,500
Long-term Assets \| Geographic Concentration Risk \| International
Concentration Risk [Line Items]
Concentration risk percentage	69.00%	24.00%
Long-term Assets, Excluding Goodwill and Intangible Assets \| Geographic Concentration Risk \| International
Concentration Risk [Line Items]
Concentration risk percentage	19.00%	6.00%