XML 49 R34.htm IDEA: XBRL DOCUMENT v3.22.4
FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2022
Fair Value Disclosures [Abstract]  
Summary of Assets and Liabilities Measurements on a Recurring Basis
As of December 31, 2022 and December 31, 2021, the Company’s financial assets and liabilities measured and recorded at fair value on a recurring basis were classified within the fair value hierarchy as follow (in thousands):
December 31, 2022December 31, 2021
Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Assets
Cash equivalents$51,250 $— $— $51,250 $27,389 $— $— $27,389 
Restricted cash equivalents - current$68,850 $— $— $68,850 $141,855 $— $— $141,855 
Restricted cash equivalents - noncurrent$94,781 $— $— $94,781 $88,586 $— $— $88,586 
Investments:
Commercial paper, available for sale$— $32,756 $— $32,756 $— $76,930 $— $76,930 
Corporate Bonds, available for sale— 58,442 — 58,442 — 84,588 — 84,588 
Municipal bonds, available for sale— 7,394 — 7,394 — 5,847 — 5,847 
Total investments$— $98,592 $— $98,592 $— $167,365 $— $167,365 
Liabilities
Warrant liability:
RTI warrants$— $— $3,670 $3,670 $— $— $5,175 $5,175 
Private warrants— — 784 784 — — 938 938 
Series A Warrants— $51,429 — $51,429 — — — — 
Total warrant liability$— $51,429 $4,454 $55,883 $— $— $6,113 $6,113 
Fair Value Measurement Inputs
The private warrants are measured at fair value on a recurring basis using a Black-Scholes model. The private warrants are classified as Level 3 for both initial measurement upon close of the Business Combination and subsequent measurement using the following assumptions:
December 31, 2022December 31, 2021
Expected annual dividend yield— %— %
Expected volatility105.1 %69.5 %
Risk-free rate of return4.15 %1.14 %
Expected option term (years)3.24.2
The Company has determined its warrant to be a Level 3 fair value measurement and has remeasured using the Black-Scholes option pricing model to calculate its fair value as of December 31, 2022 using the following assumptions:
December 31, 2022December 31, 2021
Expected annual dividend yield— %— %
Expected volatility99.7 %59.6 %
Risk-free rate of return4.36 %0.97 %
Expected option term (years)23
Level 3 Liabilities Measured at Fair Value
A summary of the private warrants activity from December 31, 2021 to December 31, 2022 is as follows (in thousands):
Fair value
(Level 3)
Balance at December 31, 2021$938 
Change in fair value(154)
Balance at December 31, 2022
$784 
Changes in Level 3 liabilities measured at fair value from December 31, 2021 to December 31, 2022 are as follows (in thousands):
Fair value
(Level 3)
Balance at December 31, 2021
$5,175 
Change in fair value(1,505)
Balance at December 31, 2022
$3,670