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Stockholders' Equity - Schedule of Estimated Values of Warrants Valuation Assumptions (Details) | Mar. 02, 2020 | Sep. 26, 2018 | Sep. 20, 2018 | Nov. 30, 2017 | Nov. 17, 2017 | Sep. 21, 2017 | Dec. 30, 2016
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Risk Free Interest Rate [Member] | Bridge Noteholders [Member] |  |  |  |  |  |  |
Warrants, measurement input percentage |  |  |  |  |  | 1.89 |
Weighted Average Expected Term [Member] | Bridge Noteholders [Member] |  |  |  |  |  |  |
Warrants, term |  |  |  |  |  | 5 years |
Expected Volatility [Member] | Bridge Noteholders [Member] |  |  |  |  |  |  |
Warrants, measurement input percentage |  |  |  |  |  | 130.80 |
Expected Dividend Yield [Member] | Bridge Noteholders [Member] |  |  |  |  |  |  |
Warrants, measurement input percentage |  |  |  |  |  | 0.00 |
Placement Agent [Member] | Risk Free Interest Rate [Member] |  |  |  |  |  |  |
Warrants, measurement input percentage | 0.88 | 2.96 | 2.96 | 2.14 | 2.06 |  | 1.93
Placement Agent [Member] | Weighted Average Expected Term [Member] |  |  |  |  |  |  |
Warrants, term | 5 years | 5 years | 5 years | 5 years | 5 years |  | 5 years
Placement Agent [Member] | Expected Volatility [Member] |  |  |  |  |  |  |
Warrants, measurement input percentage | 130.12 | 122.92 | 122.52 | 129.34 | 129.87 |  | 123.07
Placement Agent [Member] | Expected Dividend Yield [Member] |  |  |  |  |  |  |
Warrants, measurement input percentage | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |  | 0.00

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