8. Share-Based Compensation (Details Narrative) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Dec. 31, 2016 |
|
| Share based compensation | $ 301,991 | $ 616,933 | $ 1,491,855 | $ 2,635,196 | |
| (Gain) loss related to warrant issuances | $ (22,000) | (2,000) | $ (100,000) | $ 1,100,000 | |
| Warrants issued | 0 | 212,222 | |||
| Warrant [Member] | Collaboration Agreements [Member] | |||||
| Warrants outstanding | 646,249 | 646,249 | 646,249 | ||
| Employee Stock Options [Member] | |||||
| Options granted | 350,000 | 12,122 | |||
| Share based compensation | $ 300,000 | 500,000 | $ 1,400,000 | $ 1,300,000 | |
| Incremental compensation expense from exercise extension date | $ 4,000 | $ 24,000 | |||
| Non Employee Stock Options [Member] | |||||
| Options granted | 0 | 0 | |||
| Share based compensation | $ 8,000 | 60,000 | $ 80,000 | $ 60,000 | |
| Incremental compensation expense from exercise extension date | $ 17,000 | ||||
| Common Stock Awards [Member] | |||||
| Common stock grants | 14,091 | 8,146 | 26,801 | 20,309 | |
| Share based compensation | $ 38,000 | $ 37,000 | $ 100,000 | $ 100,000 | |
| X | ||||||||||
- 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 Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Warrants issued No definition available.
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