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Equity Compensation Plans (Tables)
6 Months Ended
Jun. 30, 2017
Equity Compensation Plans [Abstract]  
Share-Based Compensation Expense Related to Employee Share-Based Compensation

The following table summarizes share-based compensation expense related to employees, directors and consultants under FASB ASC 718 for the three and six months ended June 30, 2017 and 2016. This expense was allocated as follows:







 

 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 



 

Three Months Ended

 

Six Months Ended



 

June 30,

 

June 30,



 

2017

 

2016

 

2017

 

2016

Cost of revenue

 

$

138 

 

$

88 

 

$

269 

 

$

227 

Research and development expenses

 

 

502 

 

 

443 

 

 

1,003 

 

 

922 

Selling, general and administrative expenses

 

 

3,057 

 

 

2,496 

 

 

6,053 

 

 

4,720 

Total

 

$

3,697 

 

$

3,027 

 

$

7,325 

 

$

5,869