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Stock-Based Compensation (Details) - USD ($) $ in Millions			1 Months Ended	3 Months Ended	6 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Millions	Jan. 01, 2026	Sep. 03, 2024	Sep. 30, 2024	Jun. 30, 2026	Jun. 30, 2026	Dec. 31, 2025	Dec. 10, 2025
Stock-Based Compensation
Options to purchase common stock				12,645,400	12,645,400	10,675,615
Granted (in shares)					2,299,700
Number of shares of common stock available for future grant				29,706,899	29,706,899	12,480,275
Restricted stock units
Stock-Based Compensation
Vesting period (years)					4 years
RSUs vested during the period, fair value				$ 2.2	$ 2.2
2020 Plan
Stock-Based Compensation
Options to purchase common stock				3,092,255	3,092,255
2024 Plan
Stock-Based Compensation
Maximum additional number of outstanding capital stock percent		5.00%
Increase in common stock available for issuance	3,156,138
Number of shares of common stock available for future grant				1,028,297	1,028,297
Employment inducement grants
Stock-Based Compensation
Granted (in shares)					1,062,000
2024 ESPP
Stock-Based Compensation
Maximum additional number of outstanding capital stock percent		1.00%
Increase in common stock available for issuance	1,317,977
Number of shares of common stock available for future grant				1,273,608	1,273,608
Additional shares To Be authorized			1,000,000
Shares issued under ESPP				0	44,369
2026 Inducement Plan
Stock-Based Compensation
Number of shares of common stock available for future grant				270,900	270,900		1,000,000