Annual report [Section 13 and 15(d), not S-K Item 405]

Debt - Schedule of Debt (Details)

v3.26.1
Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Nov. 30, 2024
Debt      
Total debt $ 5,586    
Long-term debt - current portion $ (5,506) $ (4,389)  
6.5% Director And Officer Insurance Policy Promissory Note Due April 2023      
Debt      
Interest rate per annum 7.80% 7.35%  
13.5 % Executive And Officer Insurance Policy Promissory Note Due August 2023      
Debt      
Interest rate per annum 12.25% 13.50%  
Notes Payable      
Debt      
Total debt $ 5,586 $ 9,476  
Long-term debt - current portion (5,506) (4,389)  
Long-term debt, net of current portion $ 80 5,087  
Notes Payable | 3.75% Small Business Administration installment loan due May 2050      
Debt      
Interest rate per annum 3.75%    
Total debt $ 102 109  
Notes Payable | 6.5% Director And Officer Insurance Policy Promissory Note Due April 2023      
Debt      
Total debt 102 135  
Notes Payable | 13.5 % Executive And Officer Insurance Policy Promissory Note Due August 2023      
Debt      
Total debt 329 338  
Senior Secured Convertible Promissory Note      
Debt      
Total debt 5,000 8,471  
Unamortized costs 29    
Promissory note      
Debt      
Interest rate per annum     8.50%
Total debt 53 226  
Revolving credit line      
Debt      
Total debt $ 0 $ 197