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Warrant Derivative (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure of Share Capital, Reserves And Other Equity Interest [Abstract] |
Reconciliation of change in fair value of warrant derivative | Changes in the value of our warrant derivative were as follows:
| Number of Warrants Outstanding |  | Fair Value of Warrant Derivative
As at December 31, 2021 | 64,035 |  |  | $ | 56 |
Change in fair value | — |  |  | 20 |
Foreign exchange impact | — |  |  | 3 |
As at December 31, 2022 | 64,035 |  |  | $ | 79 |
Issued pursuant to public offering | 7,667,050 |  |  | 7,360 |
Discount on warrants issued | — |  |  | (1,822) |
Amortization of discount on warrants issued | — |  |  | 146 |
Change in fair value | — |  |  | (5,431) |
Foreign exchange impact | — |  |  | (132) |
As at December 31, 2023 | 7,731,085 |  |  | $ | 200 |
The following table summarizes our outstanding warrant derivative as at December 31, 2023:
Exercise price |  | Issuance date |  | Expiry date |  | Number of Warrants Outstanding
US$0.90 |  | August 16, 2019 |  | August 16, 2024 |  | 64,035 |
US$2.81 |  | August 8, 2023 |  | August 8, 2028 |  | 6,667,000 |
US$2.81 |  | September 7, 2023 |  | August 8, 2028 |  | 1,000,050 |
|  |  |  |  |  | 7,731,085 |
The estimated fair value of the warrant derivative with an exercise price of US$2.81 was determined using the following assumptions:
| December 31, 2023 |  | September 7, 2023 |  | August 8, 2023
Underlying share price | US$1.35 |  | US$2.39 |  | US$2.26
Risk-free interest rate | 3.2% |  | 3.9% |  | 3.8%
Expected life | 4.6 years |  | 5.0 years |  | 5.0 years
Expected volatility | 36.5% |  | 36.5% |  | 36.5%
Expected dividend yield | Nil |  | Nil |  | Nil
Fair value per warrant | US$0.18 |  | US$0.79 |  | US$0.70

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- Definition The disclosure of the fair value measurement of liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2023-01-01 -Paragraph 93 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Disclosure of Share Capital, Reserves And Other Equity Interest [Abstract] + References No definition available. + Details
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