Quarterly report pursuant to Section 13 or 15(d)

Debt - Long-term debt (Details)

v3.23.1
Debt - Long-term debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Debt    
Long-term debt, current portion $ (1,636) $ (1,609)
3.75% Small Business Administration installment loan due May 2050    
Debt    
Interest rate per annum 3.75%  
6.0% director and officer insurance policy promissory note due July 31, 2023    
Debt    
Interest rate per annum 6.00%  
Notes Payable    
Debt    
Long term debt $ 375 693
Long-term debt, current portion (269) (564)
Long-term debt, net of current portion 106 129
Notes Payable | 3.75% Small Business Administration installment loan due May 2050    
Debt    
Long term debt 128 151
Notes Payable | 6.0% director and officer insurance policy promissory note due July 31, 2023    
Debt    
Long term debt 62 246
Notes Payable | 9.0 % executive and officer insurance policy promissory note due August 1, 2023    
Debt    
Long term debt $ 185 $ 296