10. Share-Based Compensation (Details - Common stock awards) - Common Stock Awards [Member] - shares |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Common stock awards outstanding, beginning balance | 7,404 | 5,237 | 5,237 | 2,485 |
| Other than options granted | 685 | 675 | 2,167 | 3,484 |
| Common stock awards issued | 0 | (732) | ||
| Common stock awards outstanding, ending balance | 7,404 | 5,237 | ||
| 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 Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
|
| X | ||||||||||
- Details
|