Share Based Compensation - Outstanding and exercisable options (Details) - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Share-based compensation
Exercise price (in dollars per share)	$ 1.62	$ 3.58
Number of options, Options outstanding	9,733,091
Weighted average remaining contractual life (years), Options outstanding	6 years 8 months 15 days	6 years 6 months 18 days
Weighted average exercise price, Options outstanding	$ 4.54	$ 5.09
Number of options, Options exercisable	6,802,328
Weighted average remaining contractual life (years), Options exercisable	5 years 11 months 1 day
Weighted average exercise price, Options exercisable	$ 5.14
$0.84-$1.73
Share-based compensation
Minimum exercise price	0.84
Maximum exercise price	$ 1.73
Number of options, Options outstanding	1,623,845
Weighted average remaining contractual life (years), Options outstanding	5 years 8 months 26 days
Weighted average exercise price, Options outstanding	$ 1.46
Number of options, Options exercisable	1,089,175
Weighted average remaining contractual life (years), Options exercisable	3 years 9 months 29 days
Weighted average exercise price, Options exercisable	$ 1.46
$1.74-$3.2
Share-based compensation
Minimum exercise price	1.74
Maximum exercise price	$ 3.2
Number of options, Options outstanding	1,725,554
Weighted average remaining contractual life (years), Options outstanding	7 years 21 days
Weighted average exercise price, Options outstanding	$ 2.16
Number of options, Options exercisable	733,262
Weighted average remaining contractual life (years), Options exercisable	4 years 14 days
Weighted average exercise price, Options exercisable	$ 2.61
$3.21-$5.25
Share-based compensation
Minimum exercise price	3.21
Maximum exercise price	$ 5.25
Number of options, Options outstanding	2,128,500
Weighted average remaining contractual life (years), Options outstanding	7 years 4 months 24 days
Weighted average exercise price, Options outstanding	$ 3.67
Number of options, Options exercisable	1,393,090
Weighted average remaining contractual life (years), Options exercisable	7 years 7 days
Weighted average exercise price, Options exercisable	$ 3.7
$5.26-$6.36
Share-based compensation
Minimum exercise price	5.26
Maximum exercise price	$ 6.36
Number of options, Options outstanding	3,368,756
Weighted average remaining contractual life (years), Options outstanding	6 years 8 months 4 days
Weighted average exercise price, Options outstanding	$ 5.9
Number of options, Options exercisable	2,857,032
Weighted average remaining contractual life (years), Options exercisable	6 years 7 months 17 days
Weighted average exercise price, Options exercisable	$ 5.95
$6.37-$8.5
Share-based compensation
Minimum exercise price	6.37
Maximum exercise price	$ 8.5
Number of options, Options outstanding	527,000
Weighted average remaining contractual life (years), Options outstanding	7 years 21 days
Weighted average exercise price, Options outstanding	$ 6.82
Number of options, Options exercisable	379,083
Weighted average remaining contractual life (years), Options exercisable	6 years 11 months 23 days
Weighted average exercise price, Options exercisable	$ 6.8
$8.51-$15.5
Share-based compensation
Minimum exercise price	8.51
Maximum exercise price	$ 15.5
Number of options, Options outstanding	53,086
Weighted average remaining contractual life (years), Options outstanding	5 years 5 months 26 days
Weighted average exercise price, Options outstanding	$ 9.08
Number of options, Options exercisable	44,336
Weighted average remaining contractual life (years), Options exercisable	5 years 21 days
Weighted average exercise price, Options exercisable	$ 9.19
$15.51-$20.5
Share-based compensation
Minimum exercise price	15.51
Maximum exercise price	$ 20.5
Number of options, Options outstanding	65,100
Weighted average remaining contractual life (years), Options outstanding	4 years 10 months 2 days
Weighted average exercise price, Options outstanding	$ 17.21
Number of options, Options exercisable	65,100
Weighted average remaining contractual life (years), Options exercisable	4 years 10 months 2 days
Weighted average exercise price, Options exercisable	$ 17.21
$20.51-$22.45
Share-based compensation
Minimum exercise price	20.51
Maximum exercise price	$ 22.45
Number of options, Options outstanding	241,250
Weighted average remaining contractual life (years), Options outstanding	5 years 21 days
Weighted average exercise price, Options outstanding	$ 21.48
Number of options, Options exercisable	241,250
Weighted average remaining contractual life (years), Options exercisable	5 years 21 days
Weighted average exercise price, Options exercisable	$ 21.48