XML 71 R59.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Derivative Financial Instruments - Significant Assumptions Utilized in Valuation Technique (Parenthetical) (Detail) - $ / shares | Mar. 31, 2016 | Dec. 31, 2015 | Dec. 01, 2014 | Oct. 01, 2014 | Aug. 14, 2014 | Dec. 31, 2013
--- | --- | --- | --- | --- | --- | ---
Derivative [Line Items] |  |  |  |  |  |
Underlying price per share used in the MCS calculations | $ 1.25 | $ 2.50 | $ 2.50 | $ 2.50 | $ 2.50 | $ 2.50
New option price | $ 1.00 |  |  |  |  |
Oceanica Resources S. de. R.L [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Per share value of shares purchased by private investor |  |  |  |  |  | $ 2.50

X
- Definition Fair value assumptions quoted price. + References No definition available. + Details
Name: | omex_FairValueAssumptionsQuotedPrice
Namespace Prefix: | omex_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |