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Trade Receivables net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Trade Receivables net
Gross trade receivables	$ 1,347	$ 559
Less allowance for doubtful accounts	(40)	(21)
Trade receivables, net	1,307	538
Current trade receivables, net	1,280	538
Long-term trade receivables, net	27	0
Trade ReceivablesTrade Receivables	$ 846	$ 538

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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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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle) and amount due to the Entity from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such investments and receivables to an amount that approximates their net realizable value.

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