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Segment Information - Major customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Customer Revenues	$ 54,361	$ 49,208
Customer A | Sales Revenue, Net | Customer Concentration Risk
Segment Reporting Information [Line Items]
Customer Revenues	$ 10,400	$ 3,400
Concentration risk percentage	19.00%	7.00%
Customer A | Accounts Receivable | Customer Concentration Risk
Segment Reporting Information [Line Items]
Accounts receivable, gross	$ 15,800	$ 16,200
Concentration risk percentage	52.00%	62.00%

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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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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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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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