XML 35 R86.htm IDEA: XBRL DOCUMENT v2.4.0.8

Redeemable Series G Preferred Stock - Allocation of Cash from Series G Preferred and Warrants Issued (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2013
Series G Convertible Preferred Stock [Member]
Temporary Equity [Line Items]
Estimated period for redemption of preferred stock	Oct. 31, 2013
Minimum [Member]
Temporary Equity [Line Items]
Credit-risk adjusted rates	3.98%
Maximum [Member]
Temporary Equity [Line Items]
Credit-risk adjusted rates	4.89%

X

- Definition

Credit risk adjustment rate.

+ References

No definition available.

+ Details

Name:	omex_CreditRiskAdjustmentRate
Namespace Prefix:	omex_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the preferred stock has been redeemed, in CCYY-MM-DD format.

+ 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_PreferredStockRedemptionDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

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