Net Loss Per Share - Schedule of Outstanding Potentially Dilutive Securities Excluded from the Calculation of Diluted Net Loss per Share Attributable to Common Stockholders (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	8,289,731	29,790,912	8,289,731	29,790,912
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	8,161,164	5,225,231	8,161,164	5,225,231
Unvested Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	126,825	0	126,825	0
Series A Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	3,091,478	0	3,091,478
Series A-1 Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	804,893	0	804,893
Series A-2 Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	836,190	0	836,190
Series B Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	2,865,387	0	2,865,387
Series C Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	2,412,468	0	2,412,468
Series C-1 Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	150,211	0	150,211
Series D Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	14,403,312	0	14,403,312
Series A-2 Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	0	1,742	0	1,742
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	1,742	0	1,742	0