Fair Value Measurements - Schedule of Reconciliation of Activity and Changes in Fair Value for Company's Convertible Loans and Redeemable Convertible Preferred Stock Warrant Liability (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Convertible Notes at Fair Value
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 7,715
Borrowings on convertible notes	34
Change in fair value	287
Ending Balance	8,036
SAFE Notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	25
Change in fair value	(3)
Ending Balance	22
Mandatory Convertible Security
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Settlement in common shares	(910)
Change in fair value	1,201
Reclassifications	13,129
Ending Balance	13,420
GEM Derivative Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	11,333
Advances received on share purchase agreement	2,500
Draws on share purchase agreement	1,394
Settlement in common shares	(4,326)
Change in fair value	433
Reclassifications	$ (11,334)