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Consolidated Statements of Cash Flows (Parenthetical) (USD $) | 12 Months Ended
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Dec. 31, 2013
Number of shares transferred | 500,000 omex_StockIssuedDuringPeriodSharesSaleOfSubsidiaryStock
Value of shares issued | $ 625,000 omex_StockIssuedDuringPeriodValueSaleOfSubsidiaryStock
Per share value of shares issued | $ 1.25 omex_StockIssuedDuringPeriodSaleOfSubsidiaryStockPerSharePrice
Deferred income and participating revenue rights | 6,484,154 us-gaap_DeferredRevenue
Marine Services Projects [Member] |
Deferred income and participating revenue rights | $ 1,840,404 us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = omex_MarineServicesProjectsMember

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- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1 Response) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 + Details
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