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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 | 4. Stock-Based Compensation The following table summarizes the total stock-based compensation expense included in the Company’s statements of operations for the periods presented (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Cost of product sales |  | $ | 1,137 |  |  | $ | 881 |  |  | $ | 2,187 |  |  | $ | 1,761 |
Research and development |  |  | 7,894 |  |  |  | 6,420 |  |  |  | 15,551 |  |  |  | 11,721 |
Selling, general and administrative |  |  | 11,521 |  |  |  | 10,943 |  |  |  | 23,256 |  |  |  | 20,333 |
|  | $ | 20,552 |  |  | $ | 18,244 |  |  | $ | 40,994 |  |  | $ | 33,815 |

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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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- References No definition available. + Details
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