Subsequent Events (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subsequent Events [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Stock Grants to Employees and Directors |
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| X | ||||||||||
- Definition Schedule of Stock Grants to Employees and Directors [Table Text Block] No definition available.
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| X | ||||||||||
- References No definition available.
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