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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Summary of Outstanding Warrants | The following table summarizes information of outstanding warrants issued to investors and consultants in exchange for their services as of December 31, 2017:
|  | Warrants |  |  | Warrant Term |  |  | Exercise Price |  |  | Exercisable |
Investors - Class A Warrants |  |  | 6,334,626 |  |  |  | 1 year |  |  | $ | 0.14-0.80 |  |  |  | 6,334,626 |
Investors - Class B Warrants |  |  | 5,400,478 |  |  |  | 5 years |  |  | $ | 0.14 |  |  |  | 5,400,478 |
Alimi Ahmed - Class E Warrants (1) |  |  | 900,000 |  |  |  |  | (1) |  | $ | 0.0001 |  |  |  | 900,000 |
(1) During 2015, a total of 2,700,000 Class E Warrants were issued by the Company to Lior Wayn pursuant to the terms of the Share Exchange Agreement and were exercisable in three equal tranches of 900,000 Shares each (the “Tranches”) at an exercise price of $0.0001 per Share, subject to and within 45 days of the Company achieving the milestones defined in the Share Exchange Agreement. On December 16, 2016, the Company terminated Lior Way’s employment agreements with the Company and Emerald Israel, and his removal as an executive officer and director. During 2017, Mr. Wayn transferred, sold and assigned his 5,212,878 shares of the Company’s common stock and 900,000 Class E Warrants that were fully-vested to an entity controlled by Mr. Alimi Ahmed, then a member of the Company’s Board of Directors. Effective as of December 31, 2016, the remaining 1,800,000 Class E Warrants that had been issued to Mr. Wayn were canceled.
Summary of Employee Stock Option Activity | A summary of the Company’s activity related to options to employees, executives, directors and consultants and related information is as follows:
|  | For the year ended December 31, 2017 |  |  | For the year ended December 31, 2016 |
|  | Amount of options |  |  | Weighted average exercise price |  |  | Aggregate intrinsic value |  |  | Amount of options |  |  | Weighted average exercise price |  |  | Aggregate intrinsic value |
|  |  |  |  | $ |  |  | $ |  |  |  |  |  | $ |  |  | $ |
Outstanding at beginning of year |  |  | 4,193,397 |  |  |  | 0.11 |  |  |  |  |  |  |  | 561,280 |  |  |  | 0.0666 |  |  |  |  |
Granted |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,440,483 |  |  |  | 0.1336 |  |  |  |  |
Exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  | (697,086 | ) |  |  | - |  |  |  |  |
Cancelled |  |  | (4,130,397 | ) |  |  | (0.11 | ) |  |  |  |  |  |  | (550,000 | ) |  |  | (0.3956 | ) |  |  |  |
Outstanding at the end of year |  |  | 62,500 |  |  |  | 0.01 |  |  |  |  |  |  |  | 4,193,397 |  |  |  | 0.11 |  |  |  | 1,006,415 |
Vested and expected-to-vest at end of period |  |  | 62,500 |  |  |  | 0.01 |  |  |  | - |  |  |  | 3,288,062 |  |  |  | 0.11 |  |  |  | 789,134 |
Schedule of Stock Options Outstanding Exercise Price Range | The stock options outstanding as of December 31, 2017, and December 31, 2016, have been separated into exercise prices, as follows:
Exercise price |  | Stock options outstanding as of December 31, |  |  | Weighted average remaining contractual life – years as of December 31, |  |  | Stock options exercisable as of December 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
0.4 |  |  | - |  |  |  | 1,208,600 |  |  |  | - |  |  |  | 9.25 |  |  |  | - |  |  |  | 1,208,600 |
0.2 |  |  | - |  |  |  | 1,870,000 |  |  |  | - |  |  |  | 9 |  |  |  | - |  |  |  | 1,870,000 |
(*) |  |  | 62,500 |  |  |  | 1,114,797 |  |  |  | 8.25 |  |  |  | 9.25 |  |  |  | 62,500 |  |  |  | 1,114,797 |
|  |  | 62,500 |  |  |  | 4,193,397 |  |  |  | 8.25 |  |  |  | 9.25 |  |  |  | 4,193,397 |  |  |  | 4,193,397 |
(*) 0.01 or less
Schedule of Fair Value Assumptions | The fair value of the stock options is estimated at the date of grant using Black-Scholes options pricing model with the following weighted-average assumptions:
|  | Years ended December 31, |
|  | 2017 |  |  | 2016 |
Expected volatility |  |  | (* | ) |  |  | 157 | %
Risk-free interest |  |  | (* | ) |  |  | 0.69 | %
Dividend yield |  |  | (* | ) |  |  | 0 | %
Expected life of up to (years) |  |  | (* | ) |  |  | 6.0 |
(*) There were no options granted during the year ended December 31, 2017.

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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