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Trade receivables | 9 Months Ended
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Sep. 30, 2021
Trade receivables |
Trade receivables | 13. Trade receivables Trade receivables are generally secured by the equipment that they relate to as it is Company policy that equipment is not released until payment has been collected. The following table presents the activity in the allowance for expected credit losses for the period ended September 30, 2021: ​
​ | ​ | ​ | ​
Balance, December 31, 2020 |  | $ | (5,467)
Current period provision |  | ​ | (392)
Write-offs charged against the allowance |  | ​ | 1,721
Balance, September 30, 2021 | ​ | $ | (4,138)
​

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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Namespace Prefix: | us-gaap_
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- References No definition available. + Details
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