Stock Award Plans (Details) |
9 Months Ended |
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Sep. 30, 2017
plan
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| Stock Based Compensation | |
| Number of stock option plans | 4 |
| Purchase plan | |
| Stock Based Compensation | |
| Purchase price of common shares as a percentage of the fair market value on the first day of the offering period | 85.00% |
| Purchase price of common shares as a percentage of the fair market value on the purchase date | 85.00% |
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- Definition Represents the purchase price expressed as a percentage of the fair market value of common stock on the first day of the offering period. No definition available.
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- Definition Represents the number of stock option plans under the share-based compensation arrangements. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Purchase price of common stock expressed as a percentage of its fair value. No definition available.
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| X | ||||||||||
- Details
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