Fair Value Measurements - Fair Value on Financial Instrument Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
SEPA [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	$ 0	$ 0
Liabilities, fair value	0	790
Senior Convertible Note [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	11,252
Liabilities, fair value	0	12,555
Subordinated Note - Related Party [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	1,458	3,214
Liabilities, fair value	1,458	4,609
Subordinated Note Warrants - Related Party [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	300	4,159
Series F Preferred Stock Embedded Derivatives [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	11,596	0
Series F Preferred Stock Warrants [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	$ 62,776	$ 0