Stockholders' Equity (Schedule of warrant activity) (Details) - Warrants [Member] - $ / shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2020 |
Dec. 31, 2019 |
|
| Class of Warrant or Right [Line Items] | ||
| Warrants outstanding, beginning | 5,405,669 | |
| Warrants exercised | (2,999) | |
| Warrants outstanding, ending | 5,402,670 | 5,405,669 |
| Warrant exercise price (in dollars per share) | $ 8.21 | $ 8.20 |
| Warrant exercise price, exercised during the period (in dollars per share) | $ 0 | |
| Warrants outstanding, remaining contractual life | 1 year 10 months 20 days | 2 years 4 months 24 days |
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- Definition The number of warrants or rights exercised during the period. No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of warrants that were exercised during the period. No definition available.
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- Definition The weighted average remaining contractual life for warrants outstanding. No definition available.
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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