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Fair Value of Financial Assets
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Fair Value of Financial Assets Fair Value of Financial Assets
The following tables present information about the Company’s financial assets that are measured at fair value on a recurring basis and indicate the level of the fair value hierarchy utilized to determine such fair values:
 Fair Value Measurements as of December 31, 2021 using:
 Level 1Level 2Level 3Total
Cash equivalents:    
Money market funds$20,309 $— $— $20,309 
Marketable securities:
U.S. Treasury notes— 77,362 — 77,362 
U.S. government agency bonds— 20,742 — 20,742 
 $20,309 $98,104 $— $118,413 
 
Fair Value Measurements as of December 31, 2020 using:
 Level 1Level 2Level 3Total
Cash equivalents:    
Money market funds$139,266 $— $— $139,266 
 $139,266 $— $— $139,266 
 
As of December 31, 2021 and 2020, the Company’s cash equivalents were invested in money market funds and were valued based on Level 1 inputs. As of December 31, 2021, the Company’s marketable securities consisted of U.S. Treasury notes and U.S. government agency bonds and were valued based on Level 2 inputs. In determining the fair value of its U.S. Treasury notes and U.S. government agency bonds, the Company relied on quoted prices for similar securities in active markets or other inputs that are observable or can be corroborated by observable market data. During the years ended December 31, 2021 and 2020, there were no transfers between Level 1, Level 2 and Level 3.