| Schedule of Trade and Other Receivables |
Activity in the allowance for doubtful accounts was as follows: | | | | | | | | Years ended | | December 31, 2018
$ | | December 31, 2017
$ | Balance, beginning of the year | 1,642 |
| | 113 |
| Provision for uncollectible receivables | 1,355 |
| | 1,529 |
| Write-offs | (1,974 | ) | | — |
| Balance, end of the year | 1,023 |
| | 1,642 |
|
| | | | | | | | | | December 31, 2018
$ | | December 31, 2017
$ | | December 31, 2016
$ | Unbilled revenues | 12,653 |
| | 7,616 | | 2,293 |
| Trade receivables | 11,191 |
| | 7,073 | | 2,818 |
| Accrued interest | 5,109 | | 2,015 | | 896 | Leasehold incentives receivable | 4,411 |
| | 1,607 | | 1,452 |
| Other receivables | 7,983 |
| | 3,628 | | 2,140 |
| | 41,347 |
| | 21,939 | | 9,599 |
|
| | | | | | | | | | | December 31, 2018 | | December 31, 2017 | | December 31, 2016 | | $ | | $ | | $ | Merchant cash advances and loans receivable, gross | 94,612 |
| | 49,143 |
| | 12,924 |
| Allowance for uncollectible merchant cash advances and loans receivable | (2,739 | ) | | (2,042 | ) | | (1,028 | ) | Merchant cash advances and loans receivable, net | 91,873 |
| | 47,101 |
| | 11,896 |
|
The following table summarizes the activities of the Company’s allowance for uncollectible merchant cash advances and loans receivable: | | | | | | | | Years ended | | December 31, 2018 | | December 31, 2017 | | $ | | $ | Balance, beginning of the year | 2,042 |
| | 1,028 |
| Provision for uncollectible merchant cash advances and loans receivable | 5,922 |
| | 2,606 |
| Merchant cash advances and loans receivable charged off, net of recoveries | (5,225 | ) | | (1,592 | ) | Balance, end of the year | 2,739 |
| | 2,042 |
|
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