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Stock-Based Compensation (Tables) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018
Offsetting Assets [Line Items] |  |
Schedule of stock-based services expense |  |
|  | 2018 |  |  | 2017 |
General and administrative |  | $ | 480,653 |  |  | $ | 2,065 |
Research and development |  |  | 5,467 |  |  |  | 74,729 |
Total stock-based services expense |  | $ | 486,120 |  |  | $ | 76,794 |
Schedule of stock option plan activity |  |
|  |  |  |  |  |  |  | Weighted- |  |  |  |
|  |  |  |  | Weighted |  |  | Average |  |  |  |
|  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  | Number of |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Options |  |  | Price |  |  | Term (years) |  |  | Value(1) |
Outstanding at December 31, 2016 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Granted |  |  | 365,716 |  |  | $ | 0.03 |  |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeited/Cancelled |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Outstanding at December 31, 2017 |  |  | 365,716 |  |  | $ | 0.03 |  |  |  | 9.3 |  |  | $ | 908,920 |
Granted |  |  | 2,500 |  |  | $ | 5.34 |  |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeited/Cancelled |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Outstanding at September 30, 2018 |  |  | 368,216 |  |  | $ | 0.07 |  |  |  | 8.6 |  |  | $ | 820,862 |
Vested and exercisable at September 30, 2018 |  |  | 368,216 |  |  | $ | 0.07 |  |  |  | 8.6 |  |  | $ | 820,862 |
(1) | The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying options and the estimated fair value of our common stock as of September 30, 2018 and December 31, 2017 of $2.30 and $2.52 per share, respectively.
Schedule of weighted-average assumptions used Black-Scholes option-pricing model |  |
|  | 2018 |  |  | 2017 |
Expected stock price volatility |  |  | 49.8 | % |  |  | 47.8 | %
Expected life of options (years) |  |  | 5.0 |  |  |  | 5.0 |
Expected dividend yield |  |  | 0 | % |  |  | 0 | %
Risk free interest rate |  |  | 2.8 | % |  |  | 1.9 | %
Stock options [Member] |  |
Offsetting Assets [Line Items] |  |
Schedule of weighted-average assumptions used Black-Scholes option-pricing model |
|  | 2018 |
Expected stock price volatility |  |  | 49.8 | %
Expected life of options (years) |  |  | 5.8 |
Expected dividend yield |  |  | 0 | %
Risk free interest rate |  |  | 2.8 | %
|  | 2018 |
Expected stock price volatility |  |  | 49.8 | %
Expected life of options (years) |  |  | 5.0 |
Expected dividend yield |  |  | 0 | %
Risk free interest rate |  |  | 2.9 | %
Stock- option liability [Member] |  |
Offsetting Assets [Line Items] |  |
Schedule of weighted-average assumptions used Black-Scholes option-pricing model |
|  | 2018 |
Expected stock price volatility |  |  | 49.8 | %
Expected life of options (years) |  |  | 5 |
Expected dividend yield |  |  | 0 | %
Risk free interest rate |  |  | 2.5 | %

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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