Share-Based Payment Transactions (Details 1) |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2017
USD ($)
shares
|
Dec. 31, 2016
USD ($)
shares
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Dec. 31, 2015
USD ($)
shares
|
|
| Statement Line Items [Line Items] | |||
| Outstanding at beginning of year | 737,028 | 798,579 | 592,707 |
| Grants | 970,000 | 180,000 | 240,000 |
| Forfeited/expired | (216,605) | (241,551) | (34,128) |
| Outstanding at end of year | 1,490,423 | 737,028 | 798,579 |
| Exercisable at end of year | 451,266 | 402,500 | 557,749 |
| NIS [Member] | |||
| Statement Line Items [Line Items] | |||
| Outstanding at beginning of year | 10.12 | 12.21 | 15.33 |
| Grants | 2.71 | 4.43 | 4.33 |
| Forfeited/expired | 15.34 | 12.79 | 10.96 |
| Outstanding at end of year | 4.68 | 10.12 | 12.21 |
| Exercisable at end of year | 8.39 | 14.9 | 15.56 |
| X | ||||||||||
- Definition Statement [line items] No definition available.
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| X | ||||||||||
- Definition The number of share options outstanding in a share-based payment arrangement. No definition available.
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- Definition The number of share options exercisable in a share-based payment arrangement. No definition available.
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| X | ||||||||||
- Definition The number of share options forfeited in a share-based payment arrangement. No definition available.
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| X | ||||||||||
- Definition The number of share options granted in a share-based payment arrangement. No definition available.
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| X | ||||||||||
- Definition The weighted average exercise price of share options exercisable in a share-based payment arrangement. No definition available.
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- Definition The weighted average exercise price of share options forfeited in a share-based payment arrangement. No definition available.
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- Definition The weighted average exercise price of share options granted in a share-based payment arrangement. No definition available.
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| X | ||||||||||
- Definition The weighted average exercise price of share options outstanding in a share-based payment arrangement. No definition available.
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| X | ||||||||||
- Details
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