Earning per share (Details) - shares |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Earning per share Details | ||
| Computation of dilutive weighted average number of shares outstanding | 8,900,000 | 13,400,000 |
| Potentially dilutive shares outstanding | 4,500 | 4,500 |
| X | ||||||||||
- Definition Computation of dilutive weighted average number of shares outstanding No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Potentially dilutive shares outstanding No definition available.
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