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Trade receivables - Net (Tables) | 12 Months Ended
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Dec. 31, 2018
Trade and other receivables [abstract] |
Schedule of Age of Receivables Past Due |
Age of receivables that are past due but not impaired is as follows:
| At December 31,
| 2 0 1 8 |  | 2 0 1 7
30 - 60 days | $ | 221,996 |  | $ | 72,778
61 - 90 days |  | 57,119 |  |  | 57,629
91 + days |  | 188,262 |  |  | 162,807
Total | $ | 467,377 |  | $ | 293,214
Schedule of Allowance for Doubtful Accounts |
During the years ended December 31, 2018 and 2017, the movement in the allowance for doubtful accounts was as follows:
| 2 0 1 8 |  | 2 0 1 7
Balance at beginning of year | $ | 199,855 |  | $ | 59,095
Provisions |  | 7,486 |  |  | 141,140
Translations effects |  | 24,437 |  |  | (380)
Balance at end of year | $ | 231,778 |  | $ | 199,855

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- Definition The disclosure of financial assets that are either past due or impaired. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_37&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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- Definition The disclosure of detailed information about allowance for doubtful Accounts. + References No definition available. + Details
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