Share-based Compensation (Tables)
9 Months Ended
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
The total grants awarded during the three and nine months ended September 30, 2016 and September 30, 2015 are presented in the table below:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2016
 
2015
 
2016
 
2015
Stock option grants
 

 
3

 

 
714

Restricted stock grants
 

 

 

 

Restricted stock unit grants
 

 
2

 
1

 
156

    Total grants under the 2009 Plan
 

 
5

 
1

 
870

The total stock-based compensation cost included in "General and administrative expenses" in the accompanying condensed consolidated statements of operations for the three and nine months ended September 30, 2016 and September 30, 2015 was as follows:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2016
 
2015
 
2016
 
2015
Stock options
 
$
27

 
$
152

 
$
176

 
$
405

Restricted stock
 
118

 
102

 
321

 
305

Restricted stock units
 
107

 
88

 
411

 
1,148

     Total stock-based compensation expense
 
$
252

 
$
342

 
$
908

 
$
1,858