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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2020
Fair Value Measurements  
Schedule of the Company's financial assets and financial liabilities measured at fair value on a recurring basis

The following tables present information about the Company’s financial assets and liabilities measured at fair value on a recurring basis as of March 31, 2020 and December 31, 2019 and indicate the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value (in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

At March 31, 2020

​

​

​

​

​

Quoted prices

​

Significant

​

​

​

​

​

​

​

in active

​

other

​

Significant

​

​

​

​

​

markets for

​

observable

​

unobservable

​

​

March 31, 

​

identical assets

​

inputs

​

inputs

​

    

2020

    

(Level 1)

    

(Level 2)

    

(Level 3)

Assets

​

​

​

​

​

​

​

​

​

​

​

​

Money market funds (i)

​

$

3,975

​

$

3,975

​

$

-

​

$

-

U.S. government agency bonds (ii)

​

​

1,503

​

​

-

​

​

1,503

​

​

-

Bank certificates of deposit (ii) (iii)

​

​

13,909

​

​

-

​

​

13,909

​

​

-

Commercial paper (ii)

​

​

8,961

​

​

-

​

​

8,961

​

​

-

Corporate notes (ii)

​

​

63,573

​

​

-

​

​

63,573

​

​

-

Asset-backed securities (ii)

​

​

23,650

​

​

-

​

​

23,650

​

​

-

Total Assets

​

$

115,571

​

$

3,975

​

$

111,596

​

$

-

Liabilities

​

​

​

​

​

​

​

​

​

​

​

​

Cash-settled stock options

​

$

2,165

​

$

-

​

$

2,165

​

$

-

Total liabilities

​

$

2,165

​

$

-

​

$

2,165

​

$

-

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

At December 31, 2019

​

​

​

​

​

Quoted prices

​

Significant

​

​

​

​

​

​

​

in active

​

other

​

Significant

​

​

​

​

​

markets for

​

observable

​

unobservable

​

​

December 31, 

​

identical assets

​

inputs

​

inputs

​

    

2019

    

(Level 1)

    

(Level 2)

    

(Level 3)

Assets

​

​

​

​

​

​

​

​

​

​

​

​

Money market funds (i)

​

$

2,530

​

$

2,530

​

$

-

​

$

-

Bank certificates of deposit (ii) (iv)

​

​

14,208

​

​

-

​

​

14,208

​

​

-

Commercial paper (ii)

​

​

7,484

​

​

-

​

​

7,484

​

​

-

Corporate notes (ii)

​

​

65,638

​

​

-

​

​

65,638

​

​

-

Asset-backed securities (ii)

​

​

25,424

​

​

-

​

​

25,424

​

​

-

Total Assets

​

$

115,284

​

$

2,530

​

$

112,754

​

$

-

Liabilities

​

​

​

​

​

​

​

​

​

​

​

​

Cash-settled stock options

​

$

6,685

​

​

-

​

​

6,685

​

​

-

Total liabilities

​

$

6,685

​

$

-

​

$

6,685

​

$

-

(i)Included in cash and cash equivalents with a maturity of three months or less from date of purchase on the condensed consolidated balance sheets.
(ii)Included in short-term investments on the condensed consolidated balance sheets.
(iii)As of March 31, 2020, a bank certificate of deposit investment totaling $1,500 (in thousands) is included in cash and cash equivalents on the condensed consolidated balance sheets, as the investment has a maturity of three months or less from the date of purchase on the condensed consolidated balance sheets.
(iv)As of December 31, 2019, a bank certificate of deposit totaling $1,201 (in thousands) is included in cash and cash equivalents on the condensed consolidated balance sheets, as the investment has a maturity of three months or less from the date of purchase on the condensed consolidated balance sheets.