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Trade receivables
3 Months Ended
Mar. 31, 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 March 31, 2020:

Opening balance at January 1, 2020

    

(5,225)

Current period provision

 

(658)

Write-off charged against the allowance

 

2,156

Balance, March 31, 2020

$

(3,727)