v3.19.2
Fair value measurement (Tables)
6 Months Ended
Jun. 30, 2019
Fair value measurement  
Schedule of financial assets and liabilities that are measured at fair value on a recurring basis

                                                                                                                                                                                   

At June 30, 2019

    

Level 1

    

Level 2

    

Level 3

    

Total

Assets:

Money market accounts

$

22,983

$

$

$

22,983

Marketable securities

 

6,987

 

35,812

 

 

42,799

Total assets

$

29,970

$

35,812

$

$

65,782

Liabilities:

Contingent consideration

$

$

$

961

$

961

Total liabilities

$

$

$

961

$

961

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