Stock-based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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Stock-based compensation expense related to stock-based awards | ||||
Total stock-based compensation expense | $ 873 | $ 1,714 | $ 2,928 | $ 5,166 |
General and administrative | ||||
Stock-based compensation expense related to stock-based awards | ||||
Total stock-based compensation expense | 591 | 572 | 1,950 | 1,921 |
Research and development | ||||
Stock-based compensation expense related to stock-based awards | ||||
Total stock-based compensation expense | $ 282 | 643 | $ 978 | 2,746 |
Restructuring charges | ||||
Stock-based compensation expense related to stock-based awards | ||||
Total stock-based compensation expense | $ 499 | $ 499 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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