Fair Value Measurement - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Jan. 31, 2025	Dec. 31, 2024
Assets
Money market funds included in cash and cash equivalents	$ 51,886			$ 36,882
Total	51,886			36,882
Liabilities
Common stock warrant liability	23,304			20,835
Derivative liability	29,407	$ 20,800	$ 11,100
Total	52,711			20,835
Level 1
Assets
Money market funds included in cash and cash equivalents	51,886			36,882
Total	51,886			36,882
Liabilities
Common stock warrant liability	0			0
Derivative liability	0
Total	0			0
Level 2
Assets
Money market funds included in cash and cash equivalents	0			0
Total	0			0
Liabilities
Common stock warrant liability	0			0
Derivative liability	0
Total	0			0
Level 3
Assets
Money market funds included in cash and cash equivalents	0			0
Total	0			0
Liabilities
Common stock warrant liability	23,304			20,835
Derivative liability	29,407
Total	$ 52,711			$ 20,835