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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Summary of Financial Instruments Carried at Fair Value on Recurring Basis

The following tables present the financial instruments carried at fair value on a recurring basis as of December 31, 2021 and 2020, respectively, in accordance with the FASB ASC 820 hierarchy (in thousands):

 

 

Fair Value Measurements at
December 31, 2021

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

272,210

 

 

$

 

 

$

 

 

$

272,210

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fair Value Measurements at
December 31, 2020

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

6,996

 

 

$

 

 

$

 

 

$

6,996

 

Summary of Changes in Level 3 Fair Value Measurements

The following tables provide a summary of changes in Level 3 fair value measurements for the year ended December 31, 2021:

 

 

Year Ended

 

 

 

December 31, 2021

 

($ in thousands)

 

 

 

Derivative liability balance as of January 1, 2021

 

$

 

Initial recognition of derivative liability

 

 

3,369

 

Change in fair value recorded in earnings

 

 

6,231

 

Transfer to accounts payable

 

 

(9,600

)

Balance as of December 31, 2021

 

$