Stock Award Programs (Details 1) - shares	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted			3,440,000	650,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted	2,590,000	0	3,440,000	650,000
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Expected volatility	69.60%	0.00%
Risk-free interest rate	2.00%	0.00%
Forfeiture rate	4.20%	0.00%		0.00%
Expected life	5 years	0 years	5 years
Board OF Directors Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted	100,000	0	250,000	0
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Expected volatility	70.10%	0.00%	0.00%	0.00%
Risk-free interest rate	2.00%	0.00%	0.00%	0.00%
Forfeiture rate	5.90%	0.00%	0.00%	0.00%
Expected life	7 years	0 years	7 years	0 years
Minimum [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility			68.20%	66.00%
Risk-free interest rate			1.80%	0.90%
Forfeiture rate			4.60%
Expected life				3 years
Minimum [Member] \| Board OF Directors Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility			69.60%
Risk-free interest rate			1.70%
Forfeiture rate			4.20%
Maximum [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility			74.20%	72.00%
Risk-free interest rate			2.10%	1.50%
Forfeiture rate			6.80%
Expected life				5 years
Maximum [Member] \| Board OF Directors Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility			70.10%
Risk-free interest rate			2.00%
Forfeiture rate			5.90%

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

+ Details

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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- Definition

The estimated measure of the percentage by which a share price is expected to forfeiture during the period.

+ References

No definition available.

+ Details

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