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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock-Based Compensation Expense | 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 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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