Stock-based Compensation Expense - Summary of Stock Option Activity (Details) - 2019 Plan and 2016 Plan - Employee Stock Option - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Outstanding, Beginning balance	9,354,699
Number of Shares, Granted	3,603,573
Number of Shares, Exercised	(55,396)
Number of Shares, Cancelled	(820,564)
Number of Shares, Outstanding, Ending balance	12,082,312	9,354,699
Number of Shares, Exercisable	5,418,213
Weighted Average Exercise Price, Outstanding, Beginning balance	$ 7.46
Weighted Average Exercise Price, Granted	4.54
Weighted Average Exercise Price, Exercised	3.21
Weighted Average Exercise Price, Cancelled	7.58
Weighted Average Exercise Price, Outstanding, Ending balance	6.6	$ 7.46
Weighted Average Exercise Price, Exercisable	$ 8.46
Weighted Average Remaining Contractual Term (in years), Outstanding	8 years 29 days	8 years 10 days
Weighted Average Remaining Contractual Term (in years), Exercisable	7 years 1 month 28 days
Aggregate Intrinsic Value, Outstanding	$ 22,168,239	$ 5,353,463
Aggregate Intrinsic Value, Exercisable	$ 7,593,294