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Includes shares issued in an initial public offering or a secondary public offering.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 false2Issuance of units - IPO, Amount15falseRowperiodPeriod*RowprimaryElement*11false 4us-gaap_PaymentsForUnderwritingExpenseus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsexbrli:monetaryItemTypemonetaryCash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 false2IPO issuance costduration2012-06-01T00:00:002012-11-30T00:00:00 0us-gaap_PaymentsForUnderwritingExpenseus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2truefalsefalse-996477-996477falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse-996477-996477falsefalsefalsexbrli:monetaryItemTypemonetaryCash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 false2IPO issuance cost16falseRowperiodPeriod*RowprimaryElement*12false 4us-gaap_ShareBasedCompensationus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate amount of noncash, equity-based employee remuneration. 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sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 falseinstant2012-11-30T00:00:000001-01-01T00:00:001Ending Balance, Shares at Nov. 30, 201221falseRowperiodPeriod*RowprimaryElement*9false 4MEILU_IssuanceOfUnitsUnderPrivatePlacementSharesMEILU_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalsexbrli:sharesItemTypesharesNo authoritative reference available.No definition available.false1Issuance of units under private placement, Sharesduration2012-12-01T00:00:002013-05-31T00:00:00 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