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Stock-Based Compensation | 6 Months Ended
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Jun. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock-Based Compensation | NOTE 7—STOCK-BASED COMPENSATION The following table shows total stock-based compensation expense included in the condensed consolidated statements of operations for the three and six months ended June 30, 2017 and 2016 (in thousands):
|  | Three months ended |  |  | Six months ended |
|  | June 30, |  |  | June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Research and development |  | $ | 1,218 |  |  | $ | 1,728 |  |  | $ | 2,436 |  |  | $ | 3,578 |
General and administrative |  |  | 746 |  |  |  | 5,471 |  |  |  | 2,315 |  |  |  | 6,815 |
Total stock-based compensation expense |  | $ | 1,964 |  |  | $ | 7,199 |  |  | $ | 4,751 |  |  | $ | 10,393 |
Included in the above stock-based compensation table for the six months ended June 30, 2017 is $0.8 million related to a modification of options for the former chief financial officer who retired during the three months ended March 31, 2017. For the three months ended June 30, 2016 the Company recognized $4.1 million in stock-based compensation expense and $2.0 million in salary and benefits associated with separation costs for the transition of the Company’s former chief executive officer in June 2016 (the “CEO Transition”).

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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 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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