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Deferred revenue | 12 Months Ended
--- | ---
Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract] |
Deferred revenue | Deferred revenue: Deferred revenue (i.e. contract liabilities) represents cash received from customers in excess of revenue recognized on uncompleted contracts.
Deferred revenue | December 31, 2021 |  | December 31, 2020
Beginning Balance | $ | 9,888 |  |  | $ | 20,156 |
Additions to deferred revenue | 23,618 |  |  | 43,166 |
Revenue recognized during the year | (21,397) |  |  | (53,434) |
Ending Balance | $ | 12,109 |  |  | $ | 9,888 |

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- Definition The entire disclosure for revenue from contracts with customers. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Section Presentation -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g105-109_TI -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g110-129_TI -URIDate 2021-03-24 + Details
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