Stockholders' Equity - Stock reserved for issuance (Details) - shares	Mar. 31, 2025	Dec. 31, 2024
Stockholders' Equity
Common stock reserved for future issuance	20,359,544	17,095,105
Stock options
Stockholders' Equity
Common stock reserved for future issuance	13,245,589	9,458,788
Shares available for grant | Shares available for grant under 2024 Equity Incentive Plan
Stockholders' Equity
Common stock reserved for future issuance	5,827,082	6,893,517
Shares available for grant | Shares available for grant under 2024 Employee Stock Purchase Plan
Stockholders' Equity
Common stock reserved for future issuance	1,194,073	650,000
Shares available for grant | Shares available for grant under 2024 Performance Option Plan
Stockholders' Equity
Common stock reserved for future issuance	92,800	92,800