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Marketable Securities
 12 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities
3.
Marketable Securities

The Company did not have marketable securities as of December 31, 2022.

Marketable securities by security type as of December 31, 2021 consisted of the following (in thousands):

 

 

December 31, 2021

 

 

 

Amortized
Cost

 

 

Gross
Unrealized
Gains

 

 

Gross
Unrealized
Losses

 

 

Credit Losses

 

 

Fair Value

 

U.S. Treasury securities (due within one year)

 

$

63,907

 

 

$

—

 

 

$

(33

)

 

$

—

 

 

$

63,874

 

U.S. government agency bonds (due within
   one year)

 

 

3,001

 

 

 

—

 

 

 

(3

)

 

 

—

 

 

 

2,998

 

 

 

$

66,908

 

 

$

—

 

 

$

(36

)

 

$

—

 

 

$

66,872