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Trade receivables
6 Months Ended
Jun. 30, 2020
Trade receivables  
Trade Receivables

11.    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 June 30, 2020:

Opening balance at January 1, 2020

    

(5,225)

Year to date provision

 

(1,601)

Write-offs charged against the allowance

 

2,267

Balance, June 30, 2020

$

(4,559)