Marketable Securities and Fair Value Measurements - Schedule of Carrying Amounts of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financial liabilities:
Derivative warrant liabilities	$ 112	$ 17
Conversion option derivative liabilities	7,681	385
Recurring
Financial assets:
Cash equivalents		38,662
Financial liabilities:
Derivative warrant liabilities	112	17
Conversion option derivative liabilities	7,681	385
Level 1 | Recurring
Financial assets:
Cash equivalents		0
Financial liabilities:
Derivative warrant liabilities	0	0
Conversion option derivative liabilities	0	0
Level 2 | Recurring
Financial assets:
Cash equivalents		38,662
Financial liabilities:
Derivative warrant liabilities	112	17
Conversion option derivative liabilities	0	0
Level 3 | Recurring
Financial assets:
Cash equivalents		0
Financial liabilities:
Derivative warrant liabilities	0	0
Conversion option derivative liabilities	$ 7,681	$ 385