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Warrants - Summary of Estimate the Fair Value of Warrants (Details) (10-K) - Warrant [Member] | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Dividend Yield [Member] |  |
Fair value assumptions, measurement input, percentages | 0.00% | 0.00%
Expected Volatility [Member] |  |
Fair value assumptions, measurement input, percentages |  | 200.00%
Expected Volatility [Member] | Minimum [Member] |  |
Fair value assumptions, measurement input, percentages | 231.00% |
Expected Volatility [Member] | Maximum [Member] |  |
Fair value assumptions, measurement input, percentages | 632.00% |
Risk Free Interest Rate [Member] | Minimum [Member] |  |
Fair value assumptions, measurement input, percentages | 2.55% | 1.81%
Risk Free Interest Rate [Member] | Maximum [Member] |  |
Fair value assumptions, measurement input, percentages | 2.75% | 1.84%
Expected Term of Options [Member] |  |
Fair value assumptions, measurement input, term |  | 5 years
Expected Term of Options [Member] | Minimum [Member] |  |
Fair value assumptions, measurement input, term | 5 years |
Expected Term of Options [Member] | Maximum [Member] |  |
Fair value assumptions, measurement input, term | 8 years |

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