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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% |

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- Definition 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. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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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 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)(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + 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)(iv) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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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. + Details
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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 + Details
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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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