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Fair Value Measurements
9 Months Ended
Sep. 30, 2022
Fair Value Disclosures [Abstract]  
Fair Value Measurements
4.
Fair Value Measurements
The Company accounts for certain financial assets at fair value, defined as the price that would be received to sell an asset or paid to transfer a liability (i.e., an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. As such, fair value is a market-based measurement that should be determined based on assumptions market participants would use in pricing an asset or liability. A three-level hierarchy is used to show the extent and level of judgment used to estimate fair value measurements.
 
Assets and liabilities measured at fair value on a recurring basis included the following as of September 30, 2022 (in thousands):
 
 
  
Using
 
  
 
 
 
  
Quoted Prices
in Active
Markets
(Level 1)
 
  
Significant
Other
Observable
Inputs
(Level 2)
 
  
Significant
Unobservable
Inputs
(Level 3)
 
  
Total Fair
Value as of
September 30, 2022
 
 
  
 
 
  
 
 
  
 
 
  
 
 
Cash equivalents:
  
  
  
  
Money market funds
   $ 120,217      $ —        $ —        $ 120,217  
Short-term investments:
                                   
U.S. Treasury Obligations
     19,949        —          —          19,949  
Long-term investment:
                                   
Failed Auction Security
     —          —          2,552        2,552  
Assets and liabilities measured at fair value on a recurring basis included the following as of December 31, 2021 (in thousands):
 
 
  
Using
 
  
 
 
 
  
Quoted Prices
in Active
Markets
(Level 1)
 
  
Significant
Other
Observable
Inputs
(Level 2)
 
  
Significant
Unobservable
Inputs
(Level 3)
 
  
Total Fair
Value as of
December 31, 2021
 
Cash equivalents:
  
  
  
  
Money market funds
   $ 94,282      $ —        $ —        $ 94,282  
Short-term investments:
                                   
U.S. Treasury Obligations
     45,215        —          —          45,215  
Long-term investment:
                                   
Failed Auction Security
     —          —          2,639        2,639  
The change in the estimated fair value calculated for the investment valued on a recurring basis utilizing Level 3 inputs (i.e., the Failed Auction Security) for the nine months ended September 30, 2022 was as follows (in thousands):
 
Balance at the beginning of the period
   $ 2,639  
Credit gain on
available-for-sale
security included in Other income (expense), net
     3  
Loss included in Other comprehensive income
     (90
    
 
 
 
Balance at the end of the period
   $ 2,552  
    
 
 
 
Management utilized a probability weighted discounted cash flow model to determine the estimated fair value as of September 30, 2022.