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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2023
Fair Value Disclosures [Abstract]  
Fair value measurements using significant unobservable inputs
The table below presents activity within Level 3 of the fair value hierarchy and the Company’s liabilities carried at fair value for the year ended December 31, 2023:
Level 3
Contingent LiabilitiesWarrant LiabilitiesTotal
Balance at January 1, 2023$1,280 $— $1,280 
Fair value of warrant liabilities issued— 4,940 4,940 
Total change in exchange rate46 — 46 
Fair value adjustment(330)1,688 1,358 
Change due to warrant exercise— (1,080)(1,080)
Balance at December 31, 2023$996 $5,548 $6,544 
Fair value assumptions
The fair value of the preferred and common warrants at December 31, 2023 and March 29, 2023 was determined by using option pricing models assuming the following:
March 29, 2023December 31, 2023
Risk free interest rate
3.80% - 4.80%
4.09%
Expected term (years)
0.5 - 3.0
2.3
Expected volatility
70% - 75%
70%
Expected dividends0.00%0.00%
Assets and liabilities measured at fair value
The following tables present information about the Company’s financial assets and liabilities that have been measured at fair value as of December 31, 2023 and December 31, 2022 and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value.
December 31,
2023
December 31,
2022
DescriptionLevel 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Assets:
   Money market funds$392 $— $— $392 $— $— $— $— 
   U.S. government agency bonds— 19,808 — 19,808 — — — — 
Total Assets392$19,808 $— $20,200 $— $— $— $— 
Liabilities:
Contingent Liability$— $— $996 $996 $— $— $1,280 $1,280 
Warrant Liabilities— — 5,548 5,548 — — — — 
Total Liabilities$— $— $6,544 $6,544 $— $— $1,280 $1,280