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STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2015
STOCK-BASED COMPENSATION  
Schedule of stock-based compensation expense recognized for stock options, stock awards, restricted stock units and the Company's condensed consolidated employee stock purchase program (ESPP)

 

The following table presents stock-based compensation expense recognized for stock options, stock awards, restricted stock units  and the Company’s employee stock purchase program (ESPP) in the Company’s Condensed Consolidated Statements of Operations (in thousands):

 

 

 

Three Months Ended June 30,

 

Six Months Ended June 30,

 

 

 

2015

 

2014

 

2015

 

2014

 

 

 

 

 

 

 

 

 

 

 

Cost of sales

 

$
4 

 

$
1 

 

$
5 

 

$
13 

 

Research and development expense

 
46 

 
51 

 
183 

 
104 

 

Selling, general and administrative expense

 
3,203 

 
2,247 

 
5,878 

 
4,053 

 

 

 

 

 

 

 

 

 

 

 

Total

 

$
3,253 

 

$
2,299 

 

$
6,066 

 

$
4,170