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Inventory - Schedule of Inventory (Detail) (USD $) | Mar. 31, 2015 | Dec. 31, 2014
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Inventory Disclosure [Abstract] |  |
Recovered cargo | $ 5,553,773 omex_RetailRelatedRecoveredCargo | $ 5,681,264 omex_RetailRelatedRecoveredCargo
Packaging | 64,681 us-gaap_RetailRelatedInventoryPackagingAndOtherSupplies | 70,560 us-gaap_RetailRelatedInventoryPackagingAndOtherSupplies
Merchandise | 402,850 us-gaap_RetailRelatedInventoryMerchandise | 405,467 us-gaap_RetailRelatedInventoryMerchandise
Merchandise reserve | (371,332)us-gaap_InventoryValuationReserves | (371,332)us-gaap_InventoryValuationReserves
Total inventory | $ 5,649,972 omex_InventoryCurrentAndNonCurrentNet | $ 5,785,959 omex_InventoryCurrentAndNonCurrentNet

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- Details
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- Definition Carrying amount as of the balance sheet date of merchandise inventory purchased by a retailer, wholesaler or distributor and held for future sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 + Details
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- Definition Carrying amount as of the balance sheet date of items used in storage, presentation or transportation of physical goods that are targeted for sale to end users. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 + Details
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