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Stock-Based Compensation | 6 Months Ended
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Jun. 30, 2016
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 June 30, |  |  | Six months ended June 30, |
| 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Cost of goods sold | $ | 402 |  |  | $ | 239 |  |  | $ | 790 |  |  | $ | 563 |
Research and development |  | 3,125 |  |  |  | 2,125 |  |  |  | 6,324 |  |  |  | 4,547 |
General and administrative |  | 2,737 |  |  |  | 2,196 |  |  |  | 5,513 |  |  |  | 4,627 |
Total stock-based compensation | $ | 6,264 |  |  | $ | 4,560 |  |  | $ | 12,627 |  |  | $ | 9,737 |
During the three months ended June 30, 2016 and 2015, we granted options to purchase 589,090 and 68,200 shares, respectively, at a weighted average grant-date fair value of $7.22 per share and $4.81 per share, respectively. During the six months ended June 30, 2016 and 2015, we granted options to purchase 789,290 and 479,010 shares, respectively, at a weighted average grant-date fair value of $6.88 per share and $6.31 per share, respectively. As a result of stock issuances under our equity compensation plans, during the three months ended June 30, 2016 and 2015, we issued 451,391 and 733,952 shares of our common stock, respectively, and during the six months ended June 30, 2016 and 2015, we issued 1,313,937 and 969,250 shares of our common stock, respectively.

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 + Details
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