8. Stock options and Warrants (Details Narrative) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
| Share based compensation expense | $ 99,000 | $ 143,000 |
| Warrants [Member] | ||
| Aggregate intrinsic value of warrants outstanding | $ 5,803,000 | |
| Options [Member] | ||
| Options granted | 4,687,500 | |
| Option exercise price | $ 0.08 | |
| Share based compensation expense | $ 99,000 | $ 143,000 |
| Aggregate intrinsic value of options outstanding | 4,443,000 | |
| Unamortized compensation expense | $ 249,000 | |
| Options [Member] | Board of Directors [Member] | ||
| Options granted | 4,687,500 | |
| Option exercise price | $ 0.08 | |
| Fair value of options at grant date | $ 328,000 | |
| X | ||||||||||
- Definition Fair value of options at grant date No definition available.
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| X | ||||||||||
- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
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| X | ||||||||||
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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| X | ||||||||||
- Definition Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options. No definition available.
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| X | ||||||||||
- Details
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- Details
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- Details
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