Stock Options - Schedule of Fair Value Assumptions Using Black-Scholes Method (Details) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Risk-free interest rate | 0.39% | 2.75% | |
| Average expected term (years) | 5 years | 5 years | 5 years |
| Expected volatility | 270.10% | 201.30% | |
| Expected dividend yield | 0.00% | 0.00% | 0.00% |
| Maximum [Member] | |||
| Risk-free interest rate | 1.51% | 2.25% | |
| Expected volatility | 180.00% | 184.45% | |
| Minimum [Member] | |||
| Risk-free interest rate | 2.75% | 3.00% | |
| Expected volatility | 413.83% | 190.22% | |
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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 expected term of a nonvested share or option award issued to other than an employee. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Period an equity-based award is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The estimated measure of the percentage amount by which a share price is expected to fluctuate during the expected term of a nonvested share or option award issued to other than an employee. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The risk-free interest rate assumption that is used in valuing a nonvested share or option award issued to other than an employee. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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