XML 25 R50.htm IDEA: XBRL DOCUMENT v2.4.1.9

Mortgage and Loans Payable - Schedule of Allocation of Cash Proceeds Related to Additional Financing (Detail) (USD $)	Mar. 31, 2015
Short-term Debt [Line Items]
Convertible notes payable	$ 9,955,000us-gaap_ConvertibleNotesPayable
Compound Embedded Derivative [Member]
Short-term Debt [Line Items]
Convertible notes payable	2,989,537us-gaap_ConvertibleNotesPayable / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Warrants [Member]
Short-term Debt [Line Items]
Convertible notes payable	2,054,601us-gaap_ConvertibleNotesPayable / us-gaap_DerivativeByNatureAxis = us-gaap_WarrantMember
Additional Financing [Member]
Short-term Debt [Line Items]
Convertible notes payable	7,994,482us-gaap_ConvertibleNotesPayable / us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis = omex_AdditionalFinancingMember
Additional Financing [Member] | Additional Note [Member]
Short-term Debt [Line Items]
Convertible notes payable	6,339,642us-gaap_ConvertibleNotesPayable / us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis = omex_AdditionalFinancingMember / us-gaap_ShortTermDebtTypeAxis = omex_AdditionalNotesMember
Additional Financing [Member] | Compound Embedded Derivative [Member]
Short-term Debt [Line Items]
Convertible notes payable	1,291,298us-gaap_ConvertibleNotesPayable / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EmbeddedDerivativeFinancialInstrumentsMember / us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis = omex_AdditionalFinancingMember
Additional Financing [Member] | Warrants [Member]
Short-term Debt [Line Items]
Convertible notes payable	$ 363,542us-gaap_ConvertibleNotesPayable / us-gaap_DerivativeByNatureAxis = us-gaap_WarrantMember / us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis = omex_AdditionalFinancingMember

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DerivativeByNatureAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis=omex_AdditionalFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: