XML 29 R19.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Value of Financial Assets (Tables)
3 Months Ended
Mar. 31, 2022
Fair Value of Financial Assets  
Schedule of financial assets and liabilities measured at fair value on a recurring basis

Fair value Measurements as of

March 31, 2022 using:

    

Level 1

    

Level 2

    

Level 3

    

Total

Assets:

Cash Equivalents:

 

  

 

  

 

  

 

  

Commercial Paper

$

$

49,477

$

$

49,477

Money Market Funds

17,505

17,505

Marketable Securities:

 

  

 

  

 

  

 

  

Corporate Debt Securities and Commercial Paper

162,427

162,427

Other Long-term Assets:

RareStone Common Stock

2,440

2,440

Total

$

17,505

$

211,904

$

2,440

$

231,849

Fair value Measurements as of

December 31, 2021 using:

    

Level 1

    

Level 2

    

Level 3

    

Total

Assets:

Cash Equivalents:

 

  

 

  

 

  

 

  

Corporate Debt Securities and Commercial Paper

$

$

$

$

Money Market Funds

 

48,297

 

 

 

48,297

Marketable Securities:

 

  

 

  

 

  

 

  

Corporate Debt Securities and Commercial Paper

235,607

235,607

Total

$

48,297

$

235,607

$

$

283,904

Schedule of changes in Level 3 securities

Three months ended

March 31,

    

2022

    

2021

Beginning aggregate estimated fair value of Level 3 securities

$

$

Initial recording of RareStone equity

2,440

Ending aggregate estimated fair value of Level 3 securities

$

2,440

$

Schedule of marketable securities

March 31, 2022

Gross

Gross

Amortized

Unrealized

Unrealized

Fair

    

Cost

    

Gains

    

Losses

    

Value

Assets

Corporate debt securities and commercial paper (due within 1 year)

$

163,056

$

$

(629)

$

162,427

$

163,056

$

$

(629)

$

162,427

December 31, 2021

Gross

Gross

Amortized

Unrealized

Unrealized

Fair

    

Cost

    

Gains

    

Losses

    

Value

Assets

Corporate debt securities and commercial paper (due within 1 year)

$

235,608

$

50

$

(51)

$

235,607

$

235,608

$

50

$

(51)

$

235,607