Stock-Based Compensation

6 Months Ended

Jun. 30, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Note 8 — Stock-Based Compensation

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


	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
Cost of goods sold	$	280	$	324	$	599	$	647
Research and development expense		1,832		1,977		3,805		3,852
General and administrative expense		2,052		2,055		4,121		4,102

Total stock-based compensation	$	4,164	$	4,356	$	8,525	$	8,601

During the three months ended June 30, 2014 and 2013, we granted 642,860 and 162,080 stock options, respectively, at a weighted average grant-date fair value of $5.24 per share and $5.23 per share, respectively.

During the six months ended June 30, 2014 and 2013, we granted 3,776,040 and 2,989,310 stock options, respectively, at a weighted average grant-date fair value of $5.84 per share and $4.63 per share, respectively.

As a result of stock issuances under our equity compensation plans, during the three months ended June 30, 2014 and 2013, we issued 350,513 and 222,012 common shares, respectively, and during the six months ended June 30, 2014 and 2013, we issued 1,017,887 and 424,214 common shares, respectively.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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