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Fair Value of Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2024
Fair Value Disclosures [Abstract]  
Schedule of Financial Liabilities Measured at Fair Value on a Recurring Basis
The following table presents information about the financial liabilities that are measured at fair value on a recurring basis at March 31, 2024 and December 31, 2023 (unaudited, in thousands):
Level 3
March 31, 2024December 31, 2023
Notes Warrants
$362 $334 
Additional Warrants
49 263 
Total
$411 $597 
Schedule of Changes in Fair Value
The following tables present the changes in the fair value (unaudited, except for December 31, 2023, and 2022, respectively, in thousands), and also includes the derivative associated with the Notes and Warrant Offering ("Notes and Warrants Offering Derivative"), which was extinguished with the retirement of the Notes on December 31, 2023:
Notes Warrants
Additional WarrantsTotal
Measurement at December 31, 2023
$334 $263 $597 
Change in fair value28 (214)$(186)
Measurement at March 31, 2024
$362 $49 $411 

Notes and Warrants Offering Derivative
Notes Warrants
Additional WarrantsTotal
Measurement at December 31, 2022
$1,575 $2,052 $1,265 $4,892 
Change in fair value(1,021)(1,222)(741)(2,984)
Derecognition of debt
(22)— — (22)
Measurement at March 31, 2023
$532 830 524 1,886