Number of customer.

No definition available.

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- Definition

Proceeds from collection of trade accounts receivable.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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- Definition

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

+ References

No definition available.

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Risks and Uncertainties - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2021 USD ($) Customer	Mar. 31, 2020 USD ($)	Mar. 31, 2021 USD ($) Customer	Mar. 31, 2020 USD ($)
Concentration Risk [Line Items]
Unbilled receivables current	$ 2,707		$ 2,707
Revenue	21,604	$ 9,517	48,326	$ 18,600
Customer
Concentration Risk [Line Items]
Proceeds from accounts receivable			6,900
Proceeds from notes receivable			4,200
Unbilled receivables current	$ 1,000		$ 1,000
Number of customers \| Customer	3		3
Revenue \| Customer
Concentration Risk [Line Items]
Number of customers \| Customer	3		3
Revenue \| Customer \| Unbilled Receivables
Concentration Risk [Line Items]
Revenue			$ 8,900
Revenue \| Trade Accounts Receivable \| Customer
Concentration Risk [Line Items]
Revenue			13,200
Revenue \| Notes Receivable \| Customer
Concentration Risk [Line Items]
Revenue			$ 12,700