XML 71 R49.htm IDEA: XBRL DOCUMENT
v3.22.4

Stock-based compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Schedule of stock-based compensation expenses included in general and administrative expenses | Stock-based compensation expenses included in general and administrative expenses are as follows:
Year ended December 31, | Note |  | 2022 |  | 2021
Restricted share unit plan | 19(a) |  | $ | 2,154 |  |  | $ | 2,335 |
Performance restricted share unit plan | 19(b) |  | 2,522 |  |  | 2,165 |
Deferred stock unit plan | 19(c) |  | 104 |  |  | 7,106 |
|  |  | $ | 4,780 |  |  | $ | 11,606 |
Schedule of restricted share unit plan activity |
|  | Number of units |  | Weighted-average exercise price $ per share
Outstanding at December 31, 2020 |  | 641,471 |  |  | 10.34 |
Granted |  | 144,383 |  |  | 19.97 |
Vested |  | (220,116) |  |  | 8.44 |
Forfeited |  | (12,327) |  |  | 13.01 |
Outstanding at December 31, 2021 |  | 553,411 |  |  | 13.55 |
Granted |  | 167,631 |  |  | 15.55 |
Vested |  | (169,689) |  |  | 14.13 |
Forfeited |  | (15,455) |  |  | 13.41 |
Outstanding at December 31, 2022 |  | 535,898 |  |  | 14.44 |
Schedule of performance restricted share units |
|  | Number of units |  | Weighted-average exercise price $ per share
Outstanding at December 31, 2020 |  | 492,557 |  |  | 8.86 |
Granted |  | 112,079 |  |  | 20.04 |
Vested |  | (178,067) |  |  | 8.24 |
Outstanding at December 31, 2021 |  | 426,569 |  |  | 12.06 |
Granted |  | 116,775 |  |  | 15.55 |
Vested |  | (111,630) |  |  | 14.13 |
Outstanding at December 31, 2022 |  | 431,714 |  |  | 12.47 |
Schedule of assumptions used in estimate of fair value | The Company estimated the fair value of the PSUs granted during the years ended December 31, 2022 and 2021 using a Monte Carlo simulation with the following assumptions:
|  | 2022 |  | 2021
Risk-free interest rate |  | 3.14 | % |  | 0.65 | %
Expected volatility |  | 48.70 | % |  | 50.96 | %
Schedule of stock plan activity |
|  | Number of units
Outstanding at December 31, 2020 |  | 1,005,503 |
Granted |  | 66,265 |
Redeemed |  | (139,124) |
Outstanding at December 31, 2021 |  | 932,644 |
Granted |  | 87,569 |
Redeemed |  | — |
Outstanding at December 31, 2022 |  | 1,020,213 |
Schedule of stock options activity |
|  | Number of options |  | Weighted-average exercise price $ per share
Outstanding at December 31, 2020 |  | 125,000 |  |  | 4.16 |
Exercised(i) |  | (125,000) |  |  | 4.16 |
Outstanding at December 31, 2021 |  | — |  |  | — |
(i) All stock options exercised resulted in new common shares being issued (note 16(a)).

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration