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Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2019
Equity Incentive Plan [Member] |
Schedule of weighted-average assumptions used in calculation of fair value of stock options | . The following weighted-average assumptions were utilized in the calculation of the fair value of the stock options:
Expected life |  | 5.75 | years
Weighted average volatility |  | 71 | %
Forfeiture rate |  | 20 | %
Weighted average risk-free interest rate |  | 2.51 | %
Expected dividend rate |  | 0 | %
Board of Directors [Member] |
Schedule of weighted-average assumptions used in calculation of fair value of stock options |
Expected life |  | 5.75 | years
Weighted average volatility |  | 71 | %
Forfeiture rate |  | 20 | %
Weighted average risk-free interest rate |  | 2.25 | %
Expected dividend rate |  | 0 | %
Incentive Stock Options [Member] |
Schedule of weighted-average assumptions used in calculation of fair value of stock options |
Expected life |  | 5.75 | years
Weighted average volatility |  | 71 | %
Forfeiture rate |  | 20 | %
Weighted average risk-free interest rate |  | 2.55 | %
Expected dividend rate |  | 0 | %

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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=116856206&loc=d3e5070-113901 + Details
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