v3.19.3
Fair value measurement (Tables)
9 Months Ended
Sep. 30, 2019
Fair value measurement  
Schedule of financial assets and liabilities that are measured at fair value on a recurring basis

At September 30, 2019

    

Level 1

    

Level 2

    

Level 3

    

Total

Assets:

Money market accounts

$

45,791

$

$

$

45,791

Marketable securities

 

4,250

 

32,344

 

 

36,594

Total assets

$

50,041

$

32,344

$

$

82,385

At December 31, 2018

    

Level 1

    

Level 2

    

Level 3

    

Total

Assets:

Money market accounts

$

137,723

$

$

$

137,723

Total assets

$

137,723

$

$

$

137,723

Liabilities:

Contingent consideration

$

$

$

961

$

961

Total liabilities

$

$

$

961

$

961

Schedule of reconciliation of the beginning and ending amounts related to the fair value of contingent consideration categorized as Level 3

Balance , December 31, 2018

    

$

961

Payment of contingent consideration

Change in fair value

Balance, June 30, 2019

 

961

Payment of contingent consideration

Change in fair value

 

(961)

Balance , September 30, 2019

$