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Derivative Warrant Liabilities - Schedule of Fair Value Assumption (Details) (10-K) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 $ / shares | Dec. 31, 2017 $ / shares | [1] | Dec. 31, 2016 $ / shares | [1]
Series A (2016) [Member] |  |  |
Share price |  | $ 15.1 | $ 90.5
Series A (2016) [Member] | Measurement Input, Exercise Price [Member] |  |  |
Fair value assumption, price |  | $ 40.07 | $ 0.40
Series A (2016) [Member] | Measurement Input Price Volatility [Member] |  |  |
Fair value assumption, percentage |  | 0.60 | 3.80
Series A (2016) [Member] | Measurement Input Risk Free Interest Rate [Member] |  |  |
Fair value assumption, percentage |  | 0.0124 | 0.0085
Series A (2016) [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |
Fair value assumption, percentage |  |  | 0.00
Series A (2016) [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair value assumption expected life of up to (years) | 0 years | 2 months 30 days | 1 year 2 months 12 days
Series B (2016) [Member] |  |  |
Share price | $ 7.52 | $ 15.1 | $ 90.5
Series B (2016) [Member] | Measurement Input, Exercise Price [Member] |  |  |
Fair value assumption, price | $ 40.07 | $ 40.07 | $ 0.40
Series B (2016) [Member] | Measurement Input Price Volatility [Member] |  |  |
Fair value assumption, percentage | 0.849 | 1.19 | 3.80
Series B (2016) [Member] | Measurement Input Risk Free Interest Rate [Member] |  |  |
Fair value assumption, percentage | 0.0239 | 0.0189 | 0.0193
Series B (2016) [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |
Fair value assumption, percentage |  |  | 0.00
Series B (2016) [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair value assumption expected life of up to (years) | 3 years 6 months | 4 years 2 months 30 days | 5 years 2 months 12 days
[1] | December 31 2017 and 2016 options data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.

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