v3.19.1
STOCK CAPITAL (Tables)
3 Months Ended
Mar. 31, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of Composition of Common Stock Capital
Common Stock:
 
   
Number of shares
 
   
Authorized
   
Issued and outstanding
 
   
March 31, 2019
   
December 31, 2018
   
March 31, 2019
   
December 31, 2018
 
   
(unaudited)
         
(unaudited)
       
Stock of $0.0001 par value:
                       
Common stock
   
125,000,000
     
125,000,000
     
47,501,363
     
46,052,802
Schedule of Stock Option Activity
A summary of the activity in the share options granted to employees and members of the board of directors for the three months ended March 31, 2019 (unaudited) and related information follows:

               
Weighted
       
               
average
       
         
Weighted
   
remaining
       
   
Number
   
average
   
contractual
   
Aggregate
 
   
of
   
exercise
   
term
   
intrinsic
 
   
Options
   
price
   
in years
   
Value
 
                         
Outstanding as of December 31, 2018
   
2,401,893
     
11.04
     
6.19
     
58,323
 
Granted
   
267,852
     
36.15
                 
Exercised
   
(25,512
)
   
11.33
                 
Forfeited or expired
   
(10,625
)
   
14.51
                 
Outstanding as of March 31, 2019
   
2,633,608
     
13.58
     
6.33
     
63,544
 
                                 
Vested and expected to vest as of March 31, 2019
   
2,592,033
     
13.44
     
6.30
     
62,901
 
                                 
Exercisable as of March 31, 2019
   
1,896,037
     
8.32
     
5.46
     
55,675
Schedule of RSU Activity
A summary of the activity in the RSUs (excluding PSUs) granted to employees and members of the board of directors for the three months ended March 31, 2019 (unaudited) is as follows:

   
Number of
RSUs
   
Weighted average
grant date
fair value
 
Unvested as of December 31, 2018
   
2,807,232
     
34.40
 
Granted
   
306,562
     
38.55
 
Vested
   
(223,210
)
   
31.14
 
Forfeited
   
(96,018
)
   
33.91
 
Unvested as of March 31, 2019
   
2,794,566
     
35.13
 
Schedule of Options and RSUs Granted to Non-Employee Consultants
The Company has granted options and RSUs to purchase common shares to non-employee consultants as of March 31, 2019 (unaudited) as follows:

   
Outstanding
         
Exercisable
   
   
as of
         
as of
   
Issuance
 
March 31,
   
Exercise
   
March 31,
 
Options exercisable
Date
 
2019
   
price
   
2019
 
through
                         
2014
   
6,023
   
$3.51 - $5.01
     
5,245
 
October 29, 2024
2015
   
2,127
   
$0.00
     
-
   
2016
   
5,001
   
$0.00 - $15.34
     
-
 
September 21, 2026
2017
   
13,126
   
$0.00 - $13.70
     
-
 
March 15, 2027
2018
   
19,496
   
$0.00
     
-
   
2019
   
9,499
   
$0.00
     
-
   
                             
     
55,272
           
5,245
   
Schedule of Recognized Stock-Based Compensation Expense
The Company recognized stock-based compensation expenses related to stock options, RSUs and PSUs granted to employees and non-employee consultants and ESPP in the condensed consolidated statement of income for the three months ended March 31, 2019 (unaudited) and 2018 (unaudited), as follows:

   
Three months ended March 31,
 
   
2019
   
2018
 
             
Cost of revenues
 
$
1,354
   
$
924
 
Research and development
   
3,490
     
2,382
 
Selling and marketing
   
2,404
     
2,204
 
General and administrative
   
2,456
     
1,339
 
                 
Total stock-based compensation expense
 
$
9,704
   
$
6,849