Share-Based Payments (Details) - Options - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Options Outstanding
Outstanding at January 1, 2019	1,706,431
Granted	14,325,000
Exercised	0
Expired	(83,333)
Forfeited	(976,667)
Outstanding at September 30, 2019	14,971,431	1,706,431
Vested and expected to be vested as of September 30, 2019	14,971,431
Options exercisable at September 30, 2019 (vested)	5,529,977
Weighted Average Exercise Price
Outstanding at January 1, 2019	$ 3.28
Granted	1.98
Exercised	0.00
Expired	1.98
Forfeited	1.98
Outstanding at September 30, 2019	2.13	$ 3.28
Vested and expected to be vested as of September 30, 2019	2.13
Options exercisable at September 30, 2019 (vested)	$ 2.38
Weighted Average Remaining Contractual Life (Years)
Outstanding at January 1,, 2019	8 years 8 months 19 days	4 years 29 days
Granted	8 years 9 months
Outstanding at September 30,2019	8 years 8 months 19 days	4 years 29 days
Vested and expected to be vested as of September 30, 2019	8 years 8 months 19 days
Options exercisable at September 30, 2019 (vested)	7 years 6 months 18 days
Aggregated Intrinsic Value
Outstanding at January 1, 2019	$ 0	$ 0
Vested and expected to be vested as of September 30, 2019	0
Options exercisable at September 30, 2019 (vested)	$ 0

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Weighted average remaining contractual term for option awards Granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of share options (or share units) exercised during the current period.

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