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Stock-Based Compensation | 9 Months Ended
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Sep. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Compensation | Stock-Based Compensation We recognized total stock-based compensation expense in our Condensed Consolidated Statements of Operations as follows (in thousands):
| Three months ended September 30, |  | Nine months ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Cost of goods sold | $ | 1,119 |  |  | $ | 1,176 |  |  | $ | 3,208 |  |  | $ | 3,470 |
Research and development | 15,680 |  |  | 15,365 |  |  | 47,549 |  |  | 40,449 |
General and administrative | 8,081 |  |  | 6,746 |  |  | 24,030 |  |  | 19,976 |
Total stock-based compensation | $ | 24,880 |  |  | $ | 23,287 |  |  | $ | 74,787 |  |  | $ | 63,895 |
We issued stock-based awards and resulting shares of our common stock as follows (shares in thousands):
| Three months ended September 30, |  | Nine months ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Options granted | 131 |  |  | 190 |  |  | 246 |  |  | 929 |
Weighted-average grant-date fair value of options granted | $ | 13.43 |  |  | $ | 30.52 |  |  | $ | 15.81 |  |  | $ | 39.28 |
RSUs granted | 316 |  |  | 152 |  |  | 712 |  |  | 558 |
Weighted-average grant-date fair value of RSUs granted | $ | 28.00 |  |  | $ | 57.27 |  |  | $ | 31.80 |  |  | $ | 54.49 |
Shares issued under equity compensation plans | 820 |  |  | 642 |  |  | 2,256 |  |  | 5,248 |

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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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