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Stock-Based Compensation
3 Months Ended
Mar. 31, 2013
Stock-Based Compensation [Abstract]  
Stock-Based Compensation

NOTE 5.  STOCK-BASED COMPENSATION

 

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 statements of operations (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

 

 

2013

 

2012

 

 

 

 

 

 

 

 

 

Cost of sales

 

$

10 

 

$

14 

 

Research and development expense

 

 

110 

 

 

197 

 

Selling, general and administrative expense

 

 

1,291 

 

 

1,147 

 

Total

 

$

1,411 

 

$

1,358 

 

 

At March 31, 2013, the Company had $12.5 million of total unrecognized compensation expense, net of estimated forfeitures, related to stock option grants and restricted stock units that will be recognized over an average vesting period of 2.8 years.