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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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- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 + Details
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