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Stock-Based Compensation
3 Months Ended
Mar. 31, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock-Based Compensation

Note 7 — Stock-Based Compensation

Total stock-based compensation expense was recognized in our Condensed Consolidated Statements of Operations as follows (in thousands):

 

 

Three months ended March 31,

 

 

2017

 

 

2016

 

Cost of goods sold

$

608

 

 

$

388

 

Research and development

 

4,664

 

 

 

3,199

 

General and administrative

 

2,912

 

 

 

2,776

 

Total stock-based compensation

$

8,184

 

 

$

6,363

 

 

During the three months ended March 31, 2017 and 2016, we granted 328,860 and 200,200 stock options, respectively, and these options had a weighted average grant-date fair value of $7.94 per share and $5.90 per share, respectively.  We issued no RSUs during either of the three month periods ended March 31, 2017 or March 31, 2016.       

As a result of stock issuances under our equity compensation plans, during the three months ended March 31, 2017 and 2016, we issued 1,518,605 and 862,546 shares of our common stock, respectively.