Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation

v3.8.0.1
Share-Based Compensation
9 Months Ended
Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation
Share-Based Compensation
As of September 30, 2017, the Company has two active share-based compensation plans, the 2011 Stock Awards Plan and the 2011 Employee Stock Purchase Plan. The terms of awards granted during the nine months ended September 30, 2017 and the methods for determining grant-date fair value of the awards are consistent with those described in the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2016.
Details of share-based compensation expense are as follows (in thousands):
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2017
 
2016
 
2017
 
2016
Cost of revenue
$
52

 
$
50

 
$
173

 
$
169

Marketing and selling
171

 
169

 
356

 
622

Research and development
299

 
320

 
1,076

 
1,185

General and administrative
1,727

 
1,415

 
5,618

 
4,981

Total
$
2,249

 
$
1,954

 
$
7,223

 
$
6,957


As of September 30, 2017, unrecognized compensation expense related to the unvested portion of stock options and other stock awards was approximately $14.1 million, which is expected to be recognized over a weighted average period of 2.2 years.