Share-Based Payment Transactions (Details 2) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Share-based Payment Transactions | |||
| Number of Outstanding at beginning of year | 1,437,400 | 1,490,423 | 737,028 |
| Number of Grants | 1,240,000 | 970,000 | |
| Number of Forfeited/expired | (4,000) | (53,023) | (216,605) |
| Number of Outstanding at end of year | 2,673,400 | 1,437,400 | 1,490,423 |
| Number of Exercisable at end of year | 1,134,653 | 736,155 | 451,266 |
| Weighted average exercise price, Outstanding at beginning of year | $ 1.2 | $ 1.35 | $ 2.63 |
| Weighted average exercise price, Grants | 0.44 | 0.75 | |
| Weighted average exercise price, Forfeited/expired | 5.98 | 7.53 | 4.26 |
| Weighted average exercise price, Outstanding at end of year | 0.89 | 1.2 | 1.35 |
| Weighted average exercise price, Exercisable at end of year | $ 1.39 | $ 2.41 | $ 2.41 |
| X | ||||||||||
- Definition The number of share options outstanding in a share-based payment arrangement. No definition available.
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| X | ||||||||||
- 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 | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Weighted average exercise price, Exercisable. No definition available.
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| X | ||||||||||
- Definition Weighted average exercise price, Forfeited/expired. No definition available.
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| X | ||||||||||
- Definition Weighted average exercise price, Grants. No definition available.
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| X | ||||||||||
- Definition Weighted average exercise price, Outstanding. No definition available.
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