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Warrant Derivative (Tables)
 12 Months Ended
Dec. 31, 2024
Disclosure of Share Capital, Reserves And Other Equity Interest [Abstract]  
Schedule of change in fair value of warrant derivative
Changes in the value of our warrant derivative were as follows:
Number of Warrants OutstandingFair Value of Warrant Derivative
As at December 31, 2022
64,035 $79 
Issued pursuant to public offering7,667,050 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 
Exercised(52,456)(6)
Expired(11,579)(1)
Amortization of discount on warrants issued— 365 
Change in fair value — (1,605)
Foreign exchange impact— 67 
As at December 31, 2024
7,667,050 $(980)
The following table summarizes our outstanding warrant derivative as at December 31, 2024:
Exercise priceIssuance dateExpiry dateNumber of Warrants Outstanding
US$2.81August 8, 2023August 8, 20286,667,000 
US$2.81September 7, 2023August 8, 20281,000,050 
7,667,050 
The estimated fair value of the warrant derivative with an exercise price of US$2.81 was determined using the following assumptions:
December 31, 2024December 31, 2023
Underlying share priceUS$0.92US$1.35
Risk-free interest rate2.9%3.2%
Expected life3.6 years4.6 years
Expected volatility36.5%36.5%
Expected dividend yieldNilNil
Fair value per warrantUS$0.03US$0.18