XML 38 R29.htm IDEA: XBRL DOCUMENT v3.22.2.2
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2022
Fair Value Measurements  
Summary of Financial Assets Measured at Fair Value on Recurring Basis

Fair value measurement as of September 30, 2022:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Quoted prices in

​

Significant other

​

Significant

Financial assets

​

​

​

​

active markets for

​

observable

​

unobservable

​

​

​

​

​

identical assets

​

inputs

​

inputs

Type of Instrument

    

Total

    

(Level 1)

    

(Level 2)

    

(Level 3)

Cash and cash equivalents:

 

​

  

 

​

  

 

​

  

 

​

  

Money market funds and checking accounts

​

$

42,806

​

$

42,806

​

$

—

​

$

—

Available-for-sale marketable securities:

​

 

​

​

 

  

​

 

​

​

 

​

U.S. Treasury securities

​

 

3,997

​

 

—

​

 

3,997

​

 

—

U.S. government agency obligations

​

 

8,854

​

 

—

​

 

8,854

​

 

—

Corporate bonds

​

 

39,117

​

 

—

​

 

39,117

​

 

—

Commercial paper

​

 

62,820

​

 

—

​

 

62,820

​

 

—

Municipal bonds

​

 

21,934

​

 

—

​

 

21,934

​

 

—

Restricted cash:

​

 

​

​

 

  

​

 

​

​

 

​

Commercial money market account

​

 

408

​

 

408

​

 

—

​

 

—

Total financial assets

​

$

179,936

​

$

43,214

​

$

136,722

​

$

—

​

Fair value measurement as of December 31, 2021:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Quoted prices in

​

Significant other

​

Significant

Financial assets

​

​

​

​

active markets for

​

observable

​

unobservable

​

​

​

​

​

identical assets

​

inputs

​

inputs

Type of Instrument

    

Total

    

(Level 1)

    

(Level 2)

    

(Level 3)

Cash and cash equivalents:

 

​

  

 

​

  

 

​

  

 

​

  

Money market funds and checking accounts

​

$

13,453

​

$

13,453

​

$

—

​

$

—

Available-for-sale marketable securities:

​

 

  

​

 

  

​

 

  

​

 

  

U.S. Treasury securities

​

​

11,570

​

​

—

​

​

11,570

​

​

—

U.S. government agency obligations

​

 

16,975

​

 

—

​

 

16,975

​

 

—

Corporate bonds

​

 

66,324

​

 

—

​

 

66,324

​

 

—

Commercial paper

​

 

106,888

​

 

—

​

 

106,888

​

 

—

Municipal bonds

​

​

21,579

​

​

—

​

​

21,579

​

​

—

Restricted cash:

​

 

  

​

 

  

​

 

  

​

 

  

Commercial money market account

​

 

408

​

 

408

​

 

—

​

 

—

Total financial assets

​

$

237,197

​

$

13,861

​

$

223,336

​

$

—