9. Share-Based Expense (March 2019 Note) (Details Narrative) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Share based compensation | $ 233,940 | $ 406,194 | $ 1,431,787 | $ 1,793,093 |
| Warrant [Member] | Collaboration Agreements [Member] | ||||
| Warrants outstanding | 539,202 | 539,202 | ||
| Fair value adjustment of warrants | $ (27,000) | $ 5,000 | ||
| Warrants issued | 0 | 0 | ||
| Warrants exercised | 0 | 0 | ||
| Employee Stock Options [Member] | ||||
| Options granted | 0 | 0 | 100,000 | 700,000 |
| Options exercised | 0 | 0 | 0 | 0 |
| Share based compensation | $ 200,000 | $ 400,000 | ||
| Restricted Stock Units R S U [Member] | ||||
| Options granted | 0 | 0 | ||
| Other than options granted | 0 | 50,000 | ||
| Non Employee Stock Options [Member] | ||||
| Options granted | 0 | 10,000 | 10,000 | 0 |
| Options exercised | 0 | 0 | 0 | |
| Share based compensation | $ 0 | $ 9,000 | $ 36,000 | $ 100,000 |
| Common Stock Awards [Member] | ||||
| Other than options granted | 8,219 | 8,094 | 26,000 | 41,800 |
| Share based compensation | $ 17,000 | $ 17,000 | $ 100,000 | $ 100,000 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Net number of share options (or share units) granted during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Warrants exercised No definition available.
|
| X | ||||||||||
- Definition Warrants issued No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|