Stock-Based Compensation and Employee Benefit Plans (Details 1) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2016 |
Mar. 31, 2015 |
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| Allocated Share-based Compensation Expense | $ 5,109 | $ 3,719 |
| Cost of Sales [Member] | ||
| Allocated Share-based Compensation Expense | 43 | 35 |
| Research and Development Expense [Member] | ||
| Allocated Share-based Compensation Expense | 3,279 | 2,340 |
| Selling, General and Administrative Expenses [Member] | ||
| Allocated Share-based Compensation Expense | $ 1,787 | $ 1,344 |
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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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