Quarterly report [Sections 13 or 15(d)]

Share-based compensation - Equity Incentive Plan (Details)

v3.26.1
Share-based compensation - Equity Incentive Plan (Details) - Plan - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Number of Shares      
Outstanding at the beginning of the period 1,105,578    
Granted 657,500 0  
Outstanding at the end of the period 1,763,078   1,105,578
Exercisable at the end of the period 80,225    
Weighted Average Exercise Price      
Outstanding at the beginning of the period $ 12.8    
Granted 2.803    
Outstanding at the end of the period 9.04   $ 12.8
Exercisable at the end of the period $ 98.93    
Weighted Average Remaining Contractual Term (Years)      
Weighted average remaining contractual term (years) 9 years 7 months 6 days   9 years 7 months 20 days
Exercisable at the end of the period (years) 6 years 1 month 24 days