Stock Option Plans - Schedule of Fair Value Assumptions (Details) |
3 Months Ended | 12 Months Ended |
---|---|---|
Mar. 31, 2018 |
Dec. 31, 2017 |
|
Dividend yield | 0.00% | 0.00% |
Risk-free rate | 2.38% | |
Expected volatility | 226.00% | |
Minimum [Member] | ||
Risk-free rate | 1.89% | |
Expected volatility | 221.00% | |
Expected term | 3 years | 5 years |
Maximum [Member] | ||
Risk-free rate | 2.26% | |
Expected volatility | 232.00% | |
Expected term | 7 years | 7 years |
X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|