v3.26.1
FAIR VALUE MEASURES (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Liabilities:      
Convertible promissory notes at fair value   $ 18,889  
Related party      
Liabilities:      
Convertible promissory notes at fair value $ 20,296 18,889  
Non related party      
Liabilities:      
Convertible promissory notes at fair value 4,600    
Recurring      
Assets:      
Money market (included in cash and cash equivalents) 10,245 14,152 $ 34,241
Money market (included in restricted cash) 884 881 3,169
Total Assets 11,129 15,033 37,410
Liabilities:      
Warrant liability Series B-1 681 608 114
Warrant liability Series D 2,803 2,770 1,034
Total Liabilities 28,380 22,267 1,148
Recurring | Level 1      
Assets:      
Money market (included in cash and cash equivalents) 10,245 14,152 34,241
Money market (included in restricted cash) 884 881 3,169
Total Assets 11,129 15,033 37,410
Recurring | Level 3      
Liabilities:      
Warrant liability Series B-1 681 608 114
Warrant liability Series D 2,803 2,770 1,034
Total Liabilities 28,380 22,267 $ 1,148
Recurring | Related party      
Liabilities:      
Convertible promissory notes at fair value 20,296 18,889  
Recurring | Related party | Level 3      
Liabilities:      
Convertible promissory notes at fair value 20,296 $ 18,889  
Recurring | Non related party      
Liabilities:      
Convertible promissory notes at fair value 4,600    
Recurring | Non related party | Level 3      
Liabilities:      
Convertible promissory notes at fair value $ 4,600