Stockholder's Equity (Details 1) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Total | $ 602 | $ 653 |
| Research and Development Expense [Member] | ||
| Total | 68 | 6 |
| Marketing Expense [Member] | ||
| Total | 29 | |
| General and Administrative Expense [Member] | ||
| Total | $ 505 | $ 647 |
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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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