Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Debt (Details)

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Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Debt    
Long term debt $ 3,588 $ 3,883
Long-term debt - current portion (3,497) (416)
Long-term debt, net of current portion $ 91 $ 3,467
3.75% Small Business Administration installment loan due May 2050    
Debt    
Interest rate per annum 3.75%  
Director and officer (D&O) insurance policy promissory note 1    
Debt    
Interest rate per annum 6.85% 6.85%
Executive and officer (E&O) insurance policy promissory note 2    
Debt    
Interest rate per annum 13.50% 13.50%
Notes Payable | 3.75% Small Business Administration installment loan due May 2050    
Debt    
Long term debt $ 113 $ 117
Notes Payable | Director and officer (D&O) insurance policy promissory note 1    
Debt    
Long term debt 89 179
Notes Payable | Executive and officer (E&O) insurance policy promissory note 2    
Debt    
Long term debt 54 215
Convertible Note Payable    
Debt    
Unamortized costs 79  
Long term debt $ 3,332 $ 3,372