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Marketable Debt Securities
 3 Months Ended
Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract]  
Marketable Debt Securities

4. Marketable Debt Securities

Marketable debt securities, all of which were classified as available-for-sale, consist of the following (in thousands):

 

 

 

March 31, 2023

 

 

 

Amortized
Cost

 

 

Unrealized
Gains

 

 

Unrealized
Losses

 

 

Aggregate
Fair Value

 

Marketable debt securities

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury securities

 

$

95,594

 

 

$

696

 

 

$

-

 

 

$

96,290

 

Total

 

$

95,594

 

 

$

696

 

 

$

-

 

 

$

96,290

 

As of December 31, 2022, the Company did not have marketable debt securities.

As of March 31, 2023, the remaining contractual terms of the U.S. Treasury securities are less than 12 months.

Interest and Investment Income

Interest and investment income consists of the following (in thousands):

 

 

 

Three Months Ended March 31,

 

 

 

2023

 

 

2022

 

Interest income

 

$

1,066

 

 

$

9

 

Accretion of discount, net

 

 

607

 

 

 

-

 

Total interest and investment income

 

$

1,673

 

 

$

9