Warrants (Schedule Of Assumptions Used In Calculating Fair Value Of Warrants) (Details) - $ / shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2020 |
Dec. 31, 2019 |
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| Class of Warrant or Right [Line Items] | ||
| Trading market prices | $ 2.84 | $ 1.91 |
| Estimated future volatility | 134.00% | 102.00% |
| Dividend | ||
| Equivalent risk-free rate | 0.16% | |
| Fundamental transaction likelihood | 90.00% | 50.00% |
| Fundamental transaction timing | 2020-09 | 2020-04 |
| Minimum [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Estimated future risk-free rate | 0.17% | 1.57% |
| Equivalent volatility | 92.00% | 85.00% |
| Equivalent risk-free rate | 1.57% | |
| Maximum [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Estimated future risk-free rate | 0.21% | 1.72% |
| Equivalent volatility | 103.00% | 94.00% |
| Equivalent risk-free rate | 1.59% |
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- Definition Investment Warrants, Fair Value Assumptions, Equivalent Risk Free Rate No definition available.
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- Definition Investment Warrants, Fair Value Assumptions, Equivalent Volatility Rate No definition available.
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- Definition Investment Warrants, Fair Value Assumptions, Estimated Additional Shares Issued Upon Dilutive Event No definition available.
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- Definition Investment Warrants, Fair Value Assumptions, Estimated Dividend No definition available.
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- Definition Investment Warrants Fair Value Assumptions Estimated Future Volatility Rate No definition available.
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- Definition Investment Warrants, Fair Value Assumptions, Risk Free Interest Rate No definition available.
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- Definition Investment Warrants, Fair Value Assumptions, Trading Market Prices No definition available.
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- Definition Warrant Fundamental Transaction Timing, Date No definition available.
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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. No definition available.
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