v3.20.4
Trade and Other Receivables
12 Months Ended
Dec. 31, 2019
Receivables [Abstract]  
Trade and Other Receivables Trade and Other Receivables
 December 31, 2020
$
December 31, 2019
$
January 1, 2019
$
Unbilled revenues, net50,073 31,629 12,653 
Indirect taxes receivable45,961 36,821 3,774 
Trade receivables, net13,449 9,660 11,191 
Accrued interest7,563 5,754 5,109 
Other receivables3,706 6,665 8,620 
 120,752 90,529 41,347 

Unbilled revenues represent amounts not yet billed to merchants related to subscription fees for Plus merchants, transaction fees and shipping and fulfillment charges, as at the consolidated balance sheet date.

The allowance for credit losses reflects the Company's best estimate of probable losses inherent in the unbilled revenues and trade receivables accounts. The Company determined the provision based on known troubled accounts, historical experience, supportable forecasts of collectibility, potential impacts of COVID-19 and other currently available evidence.
Activity in the allowance for credit losses was as follows:
Years ended
 
December 31, 2020
$
December 31, 2019
$
Balance, beginning of the year2,894 1,023 
Provision for credit losses related to uncollectible receivables (1)
6,793 2,836 
Write-offs(3,646)(965)
Balance, end of the year6,041 2,894 
(1) The provision for the year ended December 31, 2020 includes expected losses as a result of macroeconomic factors, including the impact of COVID-19.
Merchant Cash Advances, Loans and Related Receivables
    
December 31, 2020December 31, 2019January 1, 2019
$$$
Merchant cash advances receivable, gross218,840 131,227 77,653 
Related receivables(1)
819 3,179 4,482 
Allowance for credit losses related to uncollectible merchant cash advances receivable(15,816)(10,420)(6,249)
Loans receivable, gross43,644 28,547 16,959 
Allowance for credit losses related to uncollectible loans receivable(2,764)(2,361)(972)
Merchant cash advances, loans and related receivables, net244,723 150,172 91,873 
(1) Presentation of related receivables represents a comparative figure reclassification referenced in note 25.

The following table summarizes the activities of the Company’s allowance for credit losses related to uncollectible merchant cash advances and loans receivable:
Years ended
December 31, 2020December 31, 2019
$$
Allowance, beginning of the year12,781 7,221 
Provision for credit losses related to uncollectible merchant cash advances receivable(2)
13,896 11,954 
Merchant cash advances receivable charged off, net of recoveries(8,500)(7,783)
Provision for credit losses related to uncollectible loans receivable(2)
1,915 2,655 
Loans receivable charged off, net of recoveries(1,512)(1,266)
Allowance, end of the year18,580 12,781 
Related receivables(1)
(819)(3,179)
Allowance, net of related receivables17,761 9,602 
(1) Presentation of related receivables represents a comparative figure reclassification referenced in note 25.
(2) The provision for the year ended December 31, 2020 includes expected losses as a result of macroeconomic factors, including the impact of COVID-19.