Stockholders' Equity (Details 1) |
9 Months Ended |
|---|---|
|
Sep. 30, 2019
$ / shares
shares
| |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | |
| Balance at beginning | shares | 1,386,396 |
| Granted | shares | 216,046 |
| Exercised | shares | (2,500) |
| Expired / forfeited | shares | (12) |
| Balance at ending | shares | 1,599,930 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] | |
| Balance at beginning | $ / shares | $ 11.09 |
| Granted | $ / shares | 3.34 |
| Exercised | $ / shares | 1.74 |
| Expired / forfeited | $ / shares | 385.60 |
| Balance at ending | $ / shares | $ 9.79 |
| X | ||||||||||
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. 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 options. No definition available.
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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