Stockholders' Deficit (Details 1)	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Expected volatility	45.00%	45.00%	45.00%	45.00%
Risk-free interest rate	2.67%	2.56%	2.67%	2.56%
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Minimum [Member]
Expected life in years	5 years 4 months 20 days	5 years 2 months 30 days	5 years 4 months 20 days	5 years 2 months 30 days
Maximum [Member]
Expected life in years	6 years 2 months 30 days	6 years	6 years 2 months 30 days	6 years

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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