Share-based compensation - Summary of the activity for stock options issued under the Company's Plans (Details) - Stock Option Plan - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Shares
Outstanding at beginning of period	2,647,435	2,390,150
-Cancelled	(450)	(48,268)
-Exercised	(25,876)	(296,973)
-Granted	42,791	602,526
Outstanding at end of period	2,663,900	2,647,435
Weighted Average Exercise Price
Outstanding at beginning of period	$ 3.31	$ 1.51
-Cancelled	10.28	5.67
-Exercised	9.08	2.68
-Granted	14.89	10.02
Outstanding at end of period	$ 3.44	$ 3.31