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Revenue Concentration (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021
Revenue, Major Customer [Line Items]
Revenue	$ 32,473	$ 25,976
Accounts receivable, net	16,930		$ 16,602
Customer Concentration Risk | Sales Revenue Net
Revenue, Major Customer [Line Items]
Revenue	8,000	3,900
Customer Concentration Risk | Accounts Receivable
Revenue, Major Customer [Line Items]
Accounts receivable, net	$ 2,800	$ 100
Customer Concentration Risk | Customer One | Sales Revenue Net
Revenue, Major Customer [Line Items]
Total revenue, percentage	15.00%	15.00%
Customer Concentration Risk | Customer Two | Sales Revenue Net
Revenue, Major Customer [Line Items]
Total revenue, percentage	10.00%
Geographic Concentration Risk | Sales Revenue Net | International
Revenue, Major Customer [Line Items]
Total revenue, percentage	32.00%	31.00%
Geographic Concentration Risk | Long-term Assets | International
Revenue, Major Customer [Line Items]
Total revenue, percentage	23.00%		24.00%
Geographic Concentration Risk | Long-term Assets, Excluding Goodwill and Other Intangibles | International
Revenue, Major Customer [Line Items]
Total revenue, percentage	5.00%		6.00%

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- Definition

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

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