Stock-Based Payments

6 Months Ended

Jun. 30, 2023

Stock-Based Payments [Abstract]

Stock-based payments

11. Stock-based payments

During the three months ended June 30, 2023, the total stock-based payment expense recorded in the condensed consolidated statement of operations and comprehensive loss was $180 (2022 – recovery of $59) of which $59 and $121 are recognized as staffing expense recoveries in general and administrative and research and development expenses, respectively (2022: $20 and $39 as staffing expense recoveries in general and administrative expenses and research and development expenses, respectively). During the six months ended June 30, 2023, total stock-based expenses recognized in the condensed consolidated statement of operations and comprehensive loss were $59 (2022: $1,006) of which $20 and $39 are recognized as staffing expenses in general and administrative and research and development expenses, respectively (2022: $664 and $342 as staffing expenses in general and administrative expenses and research and development expenses respectively).

A summary of stock option activity under the Company’s stock option plans during the six-month period ended June 30, 2023, is presented below:

	Options Outstanding
	Number of Shares			Weighted Average Exercise Price Share		Weighted Average Life (in years)
Outstanding December 31, 2022		483		$	9,174		4.14
Cancelled or expired		(71	)		13,702		—
Outstanding as of June 30, 2023		412		$	7,634		3.68
Options exercisable at June 30, 2023		292		$	8,242		3.73

During the six month periods ended June 30, 2023 and 2022, no options were granted.