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Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2023
Financial Instruments  
Summary of assets and liabilities measured fair value on a recurring basis

Below is a summary of assets and liabilities measured at fair value on a recurring basis (in thousands):

As of June 30, 2023

Quoted

Prices

Significant

Significant

in Active

Observable

Unobservable

Markets

Inputs

Inputs

    

(Level 1)

    

(Level 2)

    

(Level 3)

    

Total

Assets:

Cash and cash equivalents:

Money market funds

$

20,856

$

$

$

20,856

Short-term investments:

Reverse repurchase agreements

69,000

69,000

Total

$

20,856

$

69,000

$

$

89,856

As of December 31, 2022

Quoted

Prices

Significant

Significant

in Active

Observable

Unobservable

Markets

Inputs

Inputs

    

(Level 1)

    

(Level 2)

    

(Level 3)

    

Total

Assets:

Cash and cash equivalents:

Money market funds

$

1,944

$

$

$

1,944

Short-term investments

Corporate debt securities

16,445

16,445

Yankee securities

1,999

1,999

Bonds

2,988

2,988

Treasury bills

5,980

5,980

Reverse repurchase agreements

178,500

178,500

Total

$

7,924

$

199,932

$

$

207,856