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Business Combinations, Goodwill and Intangible Assets - Summary of Preliminary Purchase Price Allocation for Acquisition (Detail) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2014 Chile [Member] | Dec. 31, 2013 Chile [Member] | Dec. 31, 2012 Chile [Member] | Jun. 30, 2014 Mexico [Member] | Dec. 31, 2013 Mexico [Member] | Dec. 31, 2012 Mexico [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Chile [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Mexico [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Customer Lists [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Customer Lists [Member] Chile [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Customer Lists [Member] Mexico [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Software [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Software [Member] Chile [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Software [Member] Mexico [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Non Solicitation Agreement [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Non Solicitation Agreement [Member] Chile [Member] | Apr. 08, 2014 Online Classifieds Advertisement Companies in Chile and Mexico [Member] Non Solicitation Agreement [Member] Mexico [Member] | Apr. 08, 2014 Trademarks [Member] Online Classifieds Advertisement Companies in Chile and Mexico [Member] | Apr. 08, 2014 Trademarks [Member] Online Classifieds Advertisement Companies in Chile and Mexico [Member] Chile [Member] | Apr. 08, 2014 Trademarks [Member] Online Classifieds Advertisement Companies in Chile and Mexico [Member] Mexico [Member]
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Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  | $ 1,020,950 | $ 546,736 | $ 474,214 |  |  |  |  |  |  |  |  |  |  |  |
Other net tangible assets / (liabilities) |  |  |  |  |  |  |  |  |  | (421,059) | 2,306,226 | (2,727,285) |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  |  |  |  |  |  | 10,425,868 | 10,104,059 | 321,809 | 446,625 | 446,625 |  | 587,000 | 587,000 |  | 7,577,000 | 5,422,000 | 2,155,000
Deferred tax assets and liabilities |  |  |  |  |  |  |  |  |  | 502,841 | (245,484) | 748,325 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | 70,267,846 | 55,101,218 | 60,366,063 | 18,563,364 | 6,520,194 | 7,115,211 | 17,004,880 | 11,376,140 | 11,404,780 | 17,939,365 | 12,384,798 | 5,554,567 |  |  |  |  |  |  |  |  |  |  |  |
Purchase Price |  |  |  |  |  |  |  |  |  | $ 38,078,590 | $ 31,551,960 | $ 6,526,630 |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition Amount of deferred tax asset attributable to deductible temporary differences and carryforwards that are expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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