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Stock-Based Compensation | 6 Months Ended
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Jun. 30, 2018
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, |
| 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Cost of goods sold | $ | 1,163 |  |  | $ | 538 |  |  | $ | 2,294 |  |  | $ | 1,092 |
Research and development |  | 12,991 |  |  |  | 4,620 |  |  |  | 25,084 |  |  |  | 9,217 |
General and administrative |  | 6,506 |  |  |  | 2,941 |  |  |  | 13,230 |  |  |  | 5,974 |
Total stock-based compensation | $ | 20,660 |  |  | $ | 8,099 |  |  | $ | 40,608 |  |  | $ | 16,283 |
During the three months ended June 30, 2018 and 2017, we granted 528,975 and 956,160 stock options, respectively, and these options had a weighted average grant-date fair value of $44.32 per share and $8.96 per share, respectively. During the six months ended June 30, 2018 and 2017, we granted 738,675 and 1,285,020 stock options, respectively, and these options had a weighted average grant-date fair value of $41.53 per share and $8.70 per share, respectively. During the three and six months ended June 30, 2018, we granted 396,240 and 406,240 RSUs, respectively. We did not grant any RSUs during the three and six months ended June 30, 2017. As a result of stock issuances under our equity compensation plans, during the three months ended June 30, 2018 and 2017, we issued 1,750,908 and 1,130,164 shares of our common stock, respectively, and during the six months ended June 30, 2018 and 2017, we issued 4,605,724 and 2,648,769 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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