Stock-Based Compensation (Summary Of Unvested Shares) (Details) - Stock Option [Member] |
3 Months Ended |
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Mar. 31, 2019
$ / shares
shares
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| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] | |
| Number of Options, Unvested | shares | 131,531 |
| Number of Options, Granted | shares | 31,243 |
| Number of Options, Vested | shares | (16,531) |
| Number of Options, Cancelled | shares | (33,100) |
| Number of Options, Unvested | shares | 113,143 |
| Weighted Average Fair Value at Grant Date, Unvested | $ / shares | $ 13.19 |
| Weighted Average Fair Value at Grant Date, Granted | $ / shares | 4.78 |
| Weighted Average Fair Value at Grant Date, Vested | $ / shares | 20.16 |
| Weighted Average Fair Value at Grant Date, Cancelled | $ / shares | 12.73 |
| Weighted Average Fair Value at Grant Date, Unvested | $ / shares | $ 9.99 |
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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 Gross number of share options (or share units) granted during the period. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of non-vested options outstanding. No definition available.
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- Definition Number of non-vested options forfeited. No definition available.
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- Definition Weighted average grant-date fair value of non-vested options forfeited. No definition available.
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- Definition Weighted average grant-date fair value of non-vested options outstanding. No definition available.
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- Definition Number of options vested. No definition available.
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- Definition Weighted average grant-date fair value of options vested. No definition available.
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- Details
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