v3.26.1
Segments - Significant Expense and Asset Categories (Details) - Business Operating Segment [Member] - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segments [Abstract]      
Research and development $ 4,366 $ 9,746  
General and administrative 3,693 2,776  
Total operating expenses 8,059 12,522  
Total operating loss (8,059) (12,522)  
Interest income 64 62  
Interest expense (3,992) (3,570)  
Change in fair value of derivatives (2,172) (1,122)  
Total other income (expense) (6,100) (4,630)  
Net loss (14,159) (17,152)  
Preferred stock dividends (83) (37)  
Net loss applicable to common stockholders (14,242) $ (17,189)  
Cash and cash equivalents $ 13,269   $ 17,720