8. Stock options and Warrants (Details Narrative) - USD ($) |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Stock price | $ .09 | |
| Options [Member] | ||
| Weighted average remaining contractual life | 5 years 2 months 12 days | |
| Aggregate intrinsic value of options outstanding | $ 286,000 | |
| Future unamortized compensation expense on unvested outstanding options | $ 19,000 | |
| Options granted, shares | 2,083,335 | 12,561,852 |
| Fair value of options at grant date | $ 313,000 | $ 647,000 |
| Option exercisable price | $ 0.18 | |
| Option expiration date | 10 years | |
| Options [Member] | Options granted in current year [Member] | ||
| Share based compensation expense | $ 313,000 | 761,000 |
| Options [Member] | Options granted in prior years [Member] | ||
| Share based compensation expense | $ 121,000 | 36,000 |
| Warrants [Member] | ||
| Share based compensation expense | $ 1,000 | |
| Warrants granted | 18,238,688 | 16,160,770 |
| Warrant exercise price | $0.05 to $0.08 | |
| Aggregate intrinsic value of warrants outstanding | $ 661,000 | |
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- Definition Fair value of options at grant date No definition available.
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- Definition Warrant exercise price range No definition available.
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- 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 Price of a single share of a number of saleable stocks of a company. No definition available.
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- Definition Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options. No definition available.
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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