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Long-Term Deferred Expenses - Summary of Long-Term Deferred Expenses (Detail) (USD $) | 12 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012
Deferred Expenses Non Current [Line Items] |  |
Deferred costs | $ 917 |
Rent Of Advertising Space [Member] |  |
Deferred Expenses Non Current [Line Items] |  |
Weighted average amortization period | 5 years |
Deferred costs | 484 |
Concession Approval Fees [Member] |  |
Deferred Expenses Non Current [Line Items] |  |
Weighted average amortization period | 3 years |
Deferred costs | $ 433 |

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- Definition Sum of the carrying amounts of deferred costs that are expected to be recognized as a charge against earnings in periods after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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