Stock-Based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Stock-Based Compensation | ||||
| Stock-based compensation | $ 1,396 | $ 1,429 | $ 2,801 | $ 2,877 |
| Operating expense | ||||
| Stock-Based Compensation | ||||
| Stock-based compensation | 1 | 1 | 1 | 2 |
| Selling, general and administrative | ||||
| Stock-Based Compensation | ||||
| Stock-based compensation | 1,386 | 1,383 | 2,774 | 2,603 |
| Research and development | ||||
| Stock-Based Compensation | ||||
| Stock-based compensation | $ 9 | $ 45 | $ 26 | $ 272 |
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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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