XML 37 R28.htm IDEA: XBRL DOCUMENT v3.23.1
Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2023
Fair Value Measurements  
Summary of Financial Assets Measured at Fair Value on Recurring Basis

Fair value measurement as of March 31, 2023:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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

​

$

47,391

​

$

47,391

​

$

—

​

$

—

Available-for-sale marketable securities:

​

 

​

​

 

  

​

 

​

​

 

​

U.S. government agency obligations

​

 

9,017

​

 

—

​

 

9,017

​

 

—

Corporate bonds

​

 

35,301

​

 

—

​

 

35,301

​

 

—

Commercial paper

​

 

15,943

​

 

—

​

 

15,943

​

 

—

Municipal bonds

​

 

15,705

​

 

—

​

 

15,705

​

 

—

Restricted cash:

​

 

​

​

 

  

​

 

​

​

 

​

Commercial money market account

​

 

408

​

 

408

​

 

—

​

 

—

Total financial assets

​

$

123,765

​

$

47,799

​

$

75,966

​

$

—

​

Fair value measurement as of December 31, 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

​

$

63,741

​

$

63,741

​

$

—

​

$

—

Available-for-sale marketable securities:

​

 

  

​

 

  

​

 

  

​

 

  

U.S. government agency obligations

​

 

8,877

​

 

—

​

 

8,877

​

 

—

Corporate bonds

​

 

35,185

​

 

—

​

 

35,185

​

 

—

Commercial paper

​

 

26,875

​

 

—

​

 

26,875

​

 

—

Municipal bonds

​

​

22,071

​

​

—

​

​

22,071

​

​

—

Restricted cash:

​

 

  

​

 

  

​

 

  

​

 

  

Commercial money market account

​

 

408

​

 

408

​

 

—

​

 

—

Total financial assets

​

$

157,157

​

$

64,149

​

$

93,008

​

$

—

​