No definition available.

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- 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.

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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.

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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 award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ 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)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

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Stock Options and Warrants (Details) - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Stock Options and Warrants (Details) - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Line Items]
Risk-free interest rate range		0.00%	1.60%	0.00%
Expected life of option-years		0 years	2 years 328 days	0 years
Expected stock price volatility		0.00%	117.00%	0.00%
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Minimum [Member]
Stock Options and Warrants (Details) - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Line Items]
Risk-free interest rate range	0.48%
Expected life of option-years	5 years 73 days
Expected stock price volatility	110.80%
Maximum [Member]
Stock Options and Warrants (Details) - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Line Items]
Risk-free interest rate range	1.65%
Expected life of option-years	5 years 281 days
Expected stock price volatility	128.00%