XML 98 R84.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Redeemable Series G Preferred Stock - Additional Information (Detail) (USD $) | 12 Months Ended |  |  |  | 12 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Jul. 31, 2012 | May 10, 2012 | Oct. 11, 2010 | Dec. 31, 2013 Class of Warrant One [Member] | Apr. 16, 2011 Series G Convertible Preferred Stock [Member] | Nov. 30, 2012 Series G Convertible Preferred Stock [Member] | Dec. 31, 2013 Series G Convertible Preferred Stock [Member] | Dec. 31, 2012 Series G Convertible Preferred Stock [Member] | Oct. 31, 2011 Series G Convertible Preferred Stock [Member] | Apr. 30, 2011 Series G Convertible Preferred Stock [Member] | Oct. 31, 2010 Series G Convertible Preferred Stock [Member] | Oct. 11, 2010 Series G Convertible Preferred Stock [Member] | Jan. 31, 2010 Series G Convertible Preferred Stock [Member]
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary equity, shares subscribed but unissued |  |  |  |  |  |  |  |  |  |  |  |  | 24 |  |
Redeemable preferred stock dividend percent |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |
Temporary equity, par or stated value per share |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |
Number of shares redeemed |  |  |  |  |  |  |  |  |  |  | 20 | 3 |  |  |
Temporary equity, redemption value |  |  |  |  |  |  |  |  |  |  | $ 5,065,556 | $ 757,500 |  |  |
Temporary equity, carrying amount |  |  |  |  |  |  |  |  |  |  | 5,000,000 | 558,926 |  |  |
Temporary equity paid in capital |  |  |  |  |  |  |  |  |  |  | 65,556 | 198,574 |  |  |
Conversion of preferred stock into common stock |  |  | 140,000 |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, amount of preferred dividends in arrears |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |
Redeemable preferred stock dividends |  |  |  |  |  |  |  |  | 20,000 |  |  |  |  |  |
Dividend rate percentage of preferred stock |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |
Temporary equity, liquidation preference value |  |  |  |  |  |  | 250,000 |  | 250,000 |  |  |  |  |  |
Number of voting right per share |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |
Maximum voting right percentage |  |  |  |  |  |  |  |  | 9.90% |  |  |  |  |  |
Temporary equity, conversion right ratio |  |  |  |  |  |  | $ 1.785714 |  |  |  |  |  |  |  |
Terms of redemption | Odyssey has the option to redeem the Series G Preferred, in whole or in part, at any time after December 15, 2010 at a redemption price of 100% of the liquidation value. Commencing after March 31, 2011, the redemption price increases 1.0% each month without cap. Each holder will have the option to require Odyssey to redeem the Series G Preferred, in whole or in part, at any time after December 15, 2011 at a redemption price commencing at 109% of the liquidation value, which increases 1.0% each without cap such that, after December 15, 2011, the holder’s and Odyssey’s redemption prices will equal. In either case, the redemption price to be paid by Odyssey for each share of Series G Preferred will be the redemption prices referred to above plus accrued dividends. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly increase of redemption price | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Incremental percentage of original value | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percent of liquidation value | 109.00% |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |
Temporary equity, share subscriptions |  |  |  |  | 20 |  |  |  |  |  |  |  |  | 4 |
Common stock shares option from warrants |  |  |  |  | 1,530,000 |  |  |  |  |  |  |  |  |  |
Cash paid for preferred stock |  |  |  |  | 5,050,000 |  |  |  |  |  |  |  |  |  |
Settlement of promissory notes | 9,955,000 |  |  |  | 928,481 |  |  |  |  |  |  |  |  |  |
Common stock shares exchanges from warrants |  |  |  |  |  |  |  |  |  |  |  |  |  | 270,000 |
Class of warrant or right, exercise price of warrant or rights | 4.32 |  |  | 3.60 |  | 2.44 |  | 2.4648 |  | 2.50 |  |  |  |  | 2.50
Warranty expiry period |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in the fair value of the warrants |  |  |  |  |  |  |  | $ 106,000 |  |  |  |  |  |  |
Number of Outstanding Warrant | 2,087,500 |  |  |  |  | 525,000 |  |  |  |  |  |  |  |  |
Expiration period of warrant |  |  |  |  |  | 2014-04 |  |  |  |  |  |  |  |  |

X
- Definition Class of warrant or right expiration year and month. + References No definition available. + Details
Name: | omex_ClassOfWarrantOrRightExpirationYearAndMonth
Namespace Prefix: | omex_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common stock shares exchanges from warrants. + References No definition available. + Details
Name: | omex_CommonStockSharesExchangesFromWarrants
Namespace Prefix: | omex_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Common stock shares option from warrants. + References No definition available. + Details
Name: | omex_CommonStockSharesOptionFromWarrants
Namespace Prefix: | omex_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Increase or decrease in fair value of the warrants. + References No definition available. + Details
Name: | omex_IncreaseDecreaseInFairValueOfWarrants
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Incremental percentage of original value. + References No definition available. + Details
Name: | omex_IncrementalPercentageOfOriginalValue
Namespace Prefix: | omex_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum voting right percentage. + References No definition available. + Details
Name: | omex_MaximumVotingRightPercentage
Namespace Prefix: | omex_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Monthly increase of redemption price. + References No definition available. + Details
Name: | omex_MonthlyIncreaseOfRedemptionPrice
Namespace Prefix: | omex_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares redeemed. + References No definition available. + Details
Name: | omex_NumberOfSharesRedeemed
Namespace Prefix: | omex_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Preferred stock voting rights per share. + References No definition available. + Details
Name: | omex_PreferredStockVotingRightsPerShare
Namespace Prefix: | omex_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redeemable preferred stock dividend. + References No definition available. + Details
Name: | omex_RedeemablePreferredStockDividendPercent
Namespace Prefix: | omex_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemption price percent of liquidation value. + References No definition available. + Details
Name: | omex_RedemptionPricePercentOfLiquidationValue
Namespace Prefix: | omex_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Temporary equity conversion right ratio. + References No definition available. + Details
Name: | omex_TemporaryEquityConversionRightRatio
Namespace Prefix: | omex_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Temporary equity liquidation preference value. + References No definition available. + Details
Name: | omex_TemporaryEquityLiquidationPreferenceValue
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Temporary equity paid in capital. + References No definition available. + Details
Name: | omex_TemporaryEquityPaidInCapital
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Warranty expiry period. + References No definition available. + Details
Name: | omex_WarrantyExpiryPeriod
Namespace Prefix: | omex_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 4 -Article 4 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
Name: | us-gaap_ConvertibleNotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares issued for each share of convertible preferred stock that is converted. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 + Details
Name: | us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate amount of cumulative preferred dividends in arrears. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 + Details
Name: | us-gaap_PreferredStockAmountOfPreferredDividendsInArrears
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The redemption terms of preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity. The redemption features of this capital stock are solely within the control of the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 + Details
Name: | us-gaap_PreferredStockRedemptionTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Dividends paid to preferred stock holders that is redeemable solely at the option of the issuer. + References 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 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 + Details
Name: | us-gaap_RedeemablePreferredStockDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. 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 a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer. + References No definition available. + Details
Name: | us-gaap_TemporaryEquityCarryingAmountAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_TemporaryEquityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount of par value or stated value of stock classified as temporary equity. 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 28 -Article 5 + Details
Name: | us-gaap_TemporaryEquityParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The aggregate amount to be paid by the entity upon redemption of the security that is classified as temporary equity. 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. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. 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 FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.27(b)) -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 28 -Subparagraph b -Article 5 + Details
Name: | us-gaap_TemporaryEquityRedemptionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of a new issue of securities classified as temporary equity that are allocated to investors for them to buy. When securities are sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the securities to the investor until it receives the entire proceeds. 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. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. 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 FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.27(b)) -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 28 -Subparagraph b -Article 5 + Details
Name: | us-gaap_TemporaryEquitySharesSubscribedButUnissued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of securities classified as temporary equity that have been allocated to investors to buy. 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. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. 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 FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.27(b)) -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 28 -Subparagraph b -Article 5 + Details
Name: | us-gaap_TemporaryEquityShareSubscriptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant