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