Derivative warrant liabilities (Tables)

12 Months Ended

Aug. 31, 2022

Derivative Warrant Liabilities

Schedule of derivative warrant liabilities

	Amount
Balance at August 31, 2020	$	551
Warrants issued February 11, 2021 (Note 17)		7,830
Fair value adjustment		(6,232	)
Balance at August 31, 2021	$	2,149
Warrants issued January 26, 2022 (Note 17)		2,665
Fair value adjustment		2,035
Balance at August 31, 2022	$	6,849

Schedule of assumptions fair value of derivative warrant liabilities

	2022		2021
Share price	$	0.48	$	0.41
Risk-free interest rate		3.32% - 3.44%		0.19% - 0.67%
Dividend yield		0%		0%
Expected volatility		55% - 60%		60% - 70%
Remaining term (in years)		0.9 – 4.4		1.9 – 4.4