XML 39 R27.htm IDEA: XBRL DOCUMENT v3.5.0.2
Restricted Stock Units (Tables) - Restricted Stock Units
 9 Months Ended
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Restricted Stock Units Activity
A summary of restricted stock units granted, vested, forfeited and unvested outstanding as of, and changes made during, the nine months ended September 30, 2016, is presented below (shares in thousands):
 
Restricted Stock Units
 
Weighted Average
Grant Price
Unvested restricted stock units outstanding, December 31, 2015
2,164

 
$
1.02

Granted
1,677

 
0.49

Vested
(387
)
 
0.92

Forfeited
(246
)
 
0.91

Unvested restricted stock units outstanding, September 30, 2016
3,208

 
$
0.76
Summary of Compensation Expense
Stock-based compensation expense related to restricted stock units is allocated as follows for the three and nine months ended September 30, 2016 and 2015 (in thousands):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2016
 
2015
 
2016
 
2015
Cost of revenue
$
9

 
$
3

 
$
26

 
$
8

Research and development
10

 
3

 
29

 
9

Sales and marketing
3

 
1

 
4

 
5

General and administrative
82

 
115

 
243

 
260

 
$
104

 
$
122

 
$
302

 
$
282