Warrants (Summary Of Changes In Warrants Outstanding During The Period) (Details) - $ / shares |
6 Months Ended | |
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Jun. 30, 2018 |
Jun. 30, 2017 |
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| Warrants [Abstract] | ||
| Number of warrants, Outstanding | 7,099,609 | 5,452,691 |
| Weigted average exercise price, Outstanding | $ 4.55 | $ 4.92 |
| Number of warrants, issued | 1,696,970 | |
| Weighted average exercise price, Issued | $ 4.01 | |
| Number of warrants, Exercised | (1,861,195) | |
| Weighted average exercise price, Exercised | $ 3.51 | |
| Number of warrants, Expired | ||
| Weighted average exercise price, Expired | ||
| Number of warrants, Outstanding | 7,099,609 | 5,288,466 |
| Weigted average exercise price, Outstanding | $ 4.55 | $ 5.13 |
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- Definition Investment Warrants, Exercised, Number No definition available.
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- Definition Investment Warrants, Exercised, Weighted Average Exercise Price No definition available.
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- Definition Investment Warrants, Expired, Number No definition available.
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- Definition Investment Warrants, Expired, Weighted Average Exercise Price No definition available.
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- Definition Investment Warrants, Issued, Number No definition available.
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- Definition Investment Warrants, Issued, Weighted Average Exercise Price No definition available.
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- Definition Warrants Exercise Price No definition available.
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- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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