Fair Value Measurements - Fair Value on Financial Instrument Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
SEPA [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	$ 0	$ 0
Liabilities, fair value	0	790	$ 0
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	0
Subordinated Note Warrants - Related Party [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	316	4,159	0
Series F Preferred Stock Embedded Derivatives [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	15,853	0	0
Series F Preferred Stock Warrants [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	$ 90,134	$ 0	$ 0