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v3.19.1

Stock Options and Award Programs (Details 1) - shares | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Stock options granted | 150,000 | 3,515,000
Expected dividend yield | 0.00% | 0.00%
Minimum [Member] |  |
Expected volatility | 65.20% | 68.20%
Risk-free interest rate | 1.00% | 1.70%
Forfeiture rate | 4.43% | 4.20%
Expected life | 2 years | 3 years
Maximum [Member] |  |
Expected volatility | 6.95% | 72.50%
Risk-free interest rate | 2.73% | 2.10%
Forfeiture rate | 10.30% | 6.80%
Expected life | 5 years | 7 years
Employee Stock Option [Member] |  |
Stock options granted | 150,000 | 3,515,000
Expected dividend yield | 0.00% | 0.00%
Expected life | 5 years | 5 years
Employee Stock Option [Member] | Minimum [Member] |  |
Expected volatility | 65.20% | 68.20%
Risk-free interest rate | 2.72% | 1.80%
Forfeiture rate | 4.43% | 4.60%
Employee Stock Option [Member] | Maximum [Member] |  |
Expected volatility | 66.70% | 74.20%
Risk-free interest rate | 2.73% | 2.10%
Forfeiture rate | 4.81% | 6.80%
Board of Directors Option [Member] |  |
Stock options granted |  | 350,000
Expected dividend yield |  | 0.00%
Expected life |  | 7 years
Board of Directors Option [Member] | Minimum [Member] |  |
Expected volatility |  | 69.60%
Risk-free interest rate |  | 1.70%
Forfeiture rate |  | 4.20%
Board of Directors Option [Member] | Maximum [Member] |  |
Expected volatility |  | 70.10%
Risk-free interest rate |  | 2.00%
Forfeiture rate |  | 5.90%
Non Employee Stock Option [Member] |  |
Stock options granted | 50,000 | 75,000
Expected dividend yield | 0.00% | 0.00%
Expected volatility | 69.50% | 72.50%
Risk-free interest rate | 1.00% | 1.70%
Forfeiture rate | 10.30% | 6.60%
Expected life | 3 years | 3 years

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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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + 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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=115993241&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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