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Short-Term Investments
9 Months Ended
Sep. 30, 2023
Short-Term Investments [Abstract]  
Short-Term Investments

4. Short-Term Investments

The following table provides a summary of short-term investments:

 

 

September 30, 2023

 

 

Amortized
Cost

 

 

Gross
Unrealized
Gain

 

 

Gross
Unrealized
Loss

 

 

Fair Value

 

Available-for-sale, short-term investments:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. treasury securities

 

$

25,656

 

 

$

2

 

 

$

(1

)

 

$

25,657

 

U.S. government agency securities

 

 

6,930

 

 

 

2

 

 

 

(1

)

 

 

6,931

 

Total available-for-sale, short-term investments

 

$

32,586

 

 

$

4

 

 

$

(2

)

 

$

32,588

 

 

 

December 31, 2022

 

 

Amortized
Cost

 

 

Gross
Unrealized
Gain

 

 

Gross
Unrealized
Loss

 

 

Fair Value

 

Available-for-sale, short-term investments:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. treasury securities

 

$

47,630

 

 

$

3

 

 

$

(122

)

 

$

47,511

 

U.S. government agency securities

 

 

12,656

 

 

 

 

 

 

(42

)

 

 

12,614

 

Total available-for-sale, short-term investments

 

$

60,286

 

 

$

3

 

 

$

(164

)

 

$

60,125