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Redeemable Series G Preferred Stock - Allocation of Cash from Series G Preferred and Warrants Issued (Detail) (USD $) | Oct. 11, 2010
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Temporary Equity [Line Items] |
Financing | $ 5,050,000
Exchange | 928,482
Total | 5,978,482
Redeemable Preferred Stock [Member] |
Temporary Equity [Line Items] |
Financing | 2,747,476
Exchange | 888,997
Total | 3,636,473
Compound Embedded Derivative [Member] |
Temporary Equity [Line Items] |
Financing | 1,389,114
Exchange | 261,318
Total | 1,650,432
Warrant Derivatives [Member] |
Temporary Equity [Line Items] |
Financing | 913,410
Exchange | 161,190
Total | 1,074,600
Extinguishment Loss [Member] |
Temporary Equity [Line Items] |
Exchange | (383,023)
Total | $ (383,023)

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- Definition Temporary equity value exchange. + References No definition available. + Details
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Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Temporary equity value financing. + References No definition available. + Details
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Namespace Prefix: | omex_
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Balance Type: | credit
Period Type: | instant

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- Details
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X
- Definition Carrying amount of the par value of temporary equity outstanding. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 28 -Article 5 + Details
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