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Commitments (Tables)
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12 Months Ended | ||||||||||||||||||||||||||||||
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Dec. 31, 2013
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| Commitments [Abstract] | |||||||||||||||||||||||||||||||
| Schedule of Minimum Annual Future Rental Commitments | As of December 31, 2013, the approximate minimum annual future rental commitments under the expiring and new lease agreements for the next five years are as follows:
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