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Summary of Significant Accounting Policies - Schedule of Calculations of Fair Value Assumptions (Details) (10-K) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2019 | Dec. 31, 2017
Risk Free Interest Rate [Member] |  |  |
Fair value assumptions, measurement input, percentages | 2.05% | 2.39% |
Risk Free Interest Rate [Member] | Minimum [Member] |  |  |
Fair value assumptions, measurement input, percentages |  |  | 1.31%
Risk Free Interest Rate [Member] | Maximum [Member] |  |  |
Fair value assumptions, measurement input, percentages |  |  | 1.50%
Expected Volatility [Member] |  |  |
Fair value assumptions, measurement input, percentages | 195.00% | 45.00% | 250.00%
Expected Term [Member] |  |  |
Fair value assumptions, measurement input, term | 1 year | 2 years 6 months |
Expected Term [Member] | Minimum [Member] |  |  |
Fair value assumptions, measurement input, term |  |  | 1 year
Expected Term [Member] | Maximum [Member] |  |  |
Fair value assumptions, measurement input, term |  |  | 1 year 6 months
Expected Dividend Yield [Member] |  |  |
Fair value assumptions, measurement input, percentages | 0.00% | 0.00% | 0.00%

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