Debt (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Debt

Total debt consisted of the following (amounts in thousands):

	March 31, 2024		December 31, 2023
3.75% Small Business Administration installment loan due May 2050	$	115	$	117
Convertible note payable, less unamortized costs of $104	3,397		3,372
Director and officer (D&O) insurance policy promissory note 1	89		179
Executive and officer (E&O) insurance policy promissory note	135		215
Total debt	3,736		3,883
Long-term debt, current portion	(246)		(416)
Long-term debt, net of current portion	$	3,490	$	3,467

(1) The 2023 D&O note carries a 6.85% interest rate and is payable quarterly with the last quarterly payment due in July 2024. The 2022 D&O note carried a 6.0% interest rate and final payment was made in April 2023.

(2) The 2023 E&O note carries 13.5% interest rate and is payable monthly with the last monthly payment being due in August 2024. The 2022 E&O note carried a 9% interest rate and final payment was made in August 2023.