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Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest (Details) (Restricted Stock Units [Member])
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12 Months Ended |
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Dec. 31, 2012
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Restricted Stock Units [Member]
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| Restricted stock units scheduled for vesting in the second year | 28,739 |
| Restricted stock units scheduled for vesting in the third year | 14,293 |
| Restricted stock units scheduled for vesting in the fourth year | 0 |
| Restricted stock units scheduled for vesting thereafter | 0 |
| Total outstanding restricted stock units scheduled to vest | 43,032 |
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- Definition
Restricted stock units scheduled for vesting in the fourth year No definition available.
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| X | ||||||||||
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- Definition
Restricted stock units scheduled for vesting in the second year No definition available.
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| X | ||||||||||
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- Definition
Restricted stock units scheduled for vesting in the third year No definition available.
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| X | ||||||||||
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- Definition
Restricted stock units scheduled for vesting thereafter No definition available.
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| X | ||||||||||
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- Definition
Total outstanding restricted stock units scheduled to vest No definition available.
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