Additional Paid-In Capital	3 Months Ended
Mar. 31, 2022
Additional Paid in Capital [Abstract]
Additional Paid-In Capital [Text Block]	10. Additional Paid-In Capital Stock options On January 20, 2022, 25,000 options to purchase common stock were granted to an employee under the 2016 Stock Option Plan. The options have an exercise price of $0.34. The options granted vest over a period of 2 years at a rate of 25% every six months and expire 10 years after the grant date. The stock options were accounted for at their fair value, as determined by the Black-Scholes valuation model, of approximately $6 thousand. On January 11, 2021, 150,000 options to purchase common stock were granted to an employee under the 2016 Stock Option Plan. The options have an exercise price of $0.27. The options granted vest over a period of 2 years at a rate of 25% every six months and expire 10 years after the grant date. The stock options were accounted for at their fair value, as determined by the Black-Scholes valuation model, of approximately $25 thousand. No stock options were exercised during the three-month periods ended March 31, 2022 and 2021. Compensation expenses for stock-based compensation of $32 thousand and $31 thousand were recorded during the three-month periods ended March 31, 2022 and 2021, respectively. An amount of $29 thousand expensed in the three-month period ended March 31, 2022 relates to stock options granted to employees and an amount of $3 thousand relates to stock options granted to a consultant. An amount of $31 thousand expensed in the three-month period ended March 31, 2021 relates to stock options granted to employees and an amount of $Nil relates to stock options granted to consultants. As at March 31, 2022, the Company has $120 thousand (2021 - $146 thousand) of unrecognized stock-based compensation. Warrants No warrants were exercised during the three-month periods ended March 31, 2022 and 2021. Deferred Share Units ("DSUs") On January 1, 2022, 543,480 DSUs have been granted under the DSU Plan, accordingly, an amount of $197 thousand has been recognized in general and administrative expenses. No DSUs were granted during the three-month period ended March 31, 2021. Performance and Restricted Share Units ("PRSUs") No PRSUs were granted during the three-month periods ended March 31, 2022 and 2021.

10. Additional Paid-In Capital

Stock options

On January 20, 2022, 25,000 options to purchase common stock were granted to an employee under the 2016 Stock Option Plan. The options have an exercise price of $0.34. The options granted vest over a period of 2 years at a rate of 25% every six months and expire 10 years after the grant date. The stock options were accounted for at their fair value, as determined by the Black-Scholes valuation model, of approximately $6 thousand.

On January 11, 2021, 150,000 options to purchase common stock were granted to an employee under the 2016 Stock Option Plan. The options have an exercise price of $0.27. The options granted vest over a period of 2 years at a rate of 25% every six months and expire 10 years after the grant date. The stock options were accounted for at their fair value, as determined by the Black-Scholes valuation model, of approximately $25 thousand.

No stock options were exercised during the three-month periods ended March 31, 2022 and 2021.

Compensation expenses for stock-based compensation of $32 thousand and $31 thousand were recorded during the three-month periods ended March 31, 2022 and 2021, respectively. An amount of $29 thousand expensed in the three-month period ended March 31, 2022 relates to stock options granted to employees and an amount of $3 thousand relates to stock options granted to a consultant. An amount of $31 thousand expensed in the three-month period ended March 31, 2021 relates to stock options granted to employees and an amount of $Nil relates to stock options granted to consultants. As at March 31, 2022, the Company has $120 thousand (2021 - $146 thousand) of unrecognized stock-based compensation.

Warrants

No warrants were exercised during the three-month periods ended March 31, 2022 and 2021.

Deferred Share Units ("DSUs")

On January 1, 2022, 543,480 DSUs have been granted under the DSU Plan, accordingly, an amount of $197 thousand has been recognized in general and administrative expenses. No DSUs were granted during the three-month period ended March 31, 2021.

Performance and Restricted Share Units ("PRSUs")

No PRSUs were granted during the three-month periods ended March 31, 2022 and 2021.