Share-based compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-based compensation

Schedule of the activity for stock options issued

		Weighted
		Average
		Exercise
Stock Options and Stock Appreciation Rights	Shares	Price
Outstanding at December 31, 2022	2,390,150	$	1.51
-Cancelled	(48,268)	$	5.67
-Exercised	(296,973)	$	2.68
-Granted (1)	602,526	$	10.02
Outstanding at December 31, 2023	2,647,435	$	3.31
-Cancelled	(450)	$	10.28
-Exercised	(25,876)	$	9.08
-Granted (2)	42,791	$	14.89
Outstanding at March 31, 2024	2,663,900	$	3.44

(1) Options to purchase 584,826 shares were granted in 2023, of which options to purchase 337,727 shares vested immediately in 2023 and the remainder vested 50% immediately and 50% one year after the date of the grants. In addition, 17,700 stock appreciation rights were granted in January 2023 with a six- month vesting period.

(2) Options to purchase 42,791 shares were granted in 2024, of which 50% were vested immediately and the remainder vested 50% one year after the date of the grants.

Schedule of weighted average contractual life in years and the weighted average exercise price

		Weighted
		Average		Weighted
		Remaining		Average
	Number of	Contractual		Exercise
	Options	Life		Price
Options outstanding and vested	2,628,905	4.02	years	$	3.31