XML 65 R53.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans Payable - Note 6 - MINOSA 2 - Additional Information (Detail) $ / shares in Units, Cuota in Millions |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 10, 2017 USD ($) d $ / shares | Oct. 01, 2016 USD ($) d $ / shares | Mar. 18, 2016 USD ($) d Cuota $ / shares | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2018 USD ($) Cuota | Dec. 31, 2017 USD ($) | Mar. 21, 2017 USD ($) | Mar. 18, 2017 USD ($) | Mar. 11, 2015 USD ($)
Minosa Purchase Agreement [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt , maximum borrowing capacity | $ 3,000,000 |  |  |  |  |  |  |  |  |
Amount of loan outstanding | 2,700,000 |  |  |  |  |  |  |  |  |
Epsilon Acquisitions, LLC [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt, interest expense |  |  |  | $ 25,205 | $ 47,123 |  |  |  |  |
Aggregate amount issuable |  |  | $ 6,000,000 |  |  |  |  |  |  |
Epsilon Acquisitions, LLC [Member] | Notes Payable, Other Payables [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  |  |  | 1,000,000 |  | $ 1,000,000 |  | $ 2,000,000 |  |
Debt conversion amount | $ 2,000,000 |  |  |  |  |  | $ 2,000,000 |  |  |
Interest rate, stated percentage |  | 10.00% | 10.00% |  |  |  |  |  |  |
Number of trading days | d |  | 75 | 75 |  |  |  |  |  |  |
Conversion price of Notes | $ / shares |  | $ 5.00 | $ 5.00 |  |  |  |  |  |  |
BCF amount recorded |  |  |  |  |  | 96,000 |  |  |  |
Aggregate amount issuable |  | $ 3,000,000 | $ 3,000,000 |  |  |  |  | 6,000,000 | $ 3,000,000 |
Debt conversion into equity |  |  |  | 3,000,000 |  | $ 3,000,000 |  | $ 3,000,000 |  |
Pledged units of ownership | Cuota |  |  | 54 |  |  | 54 |  |  |  |
Epsilon Acquisitions, LLC [Member] | Second AR Epsilon Note [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  |  |  | $ 1,000,000 |  | $ 1,000,000 |  |  |  |
Note 6 - MINOSA 2 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, threshold payment term |  |  |  | 60 days |  | 60 days | 60 days |  |  |
BCF amount recorded |  |  |  | $ 62,925 |  |  |  |  |  |
Debt, interest expense |  |  |  | 127,288 |  |  |  |  |  |
Debt Instrument, acceleration clause description |  |  |  |  |  | The obligations under the Minosa Note may be accelerated upon the occurrence of specified events of default including (a) our failure to pay any amount payable under the Minosa Note on the date due and payable; (b) our failure to perform or observe any term, covenant, or agreement in the Minosa Note or the related documents, subject to a five-day cure period; (c) the occurrence and expiration of all applicable grace periods, if any, of an event of default or material breach by us under any of the other loan documents; (d) the termination of the SPA; (e) commencement of certain specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions by or against us, in specified circumstances unless dismissed or stayed within 60 days; (f) the entry of a judgment or award against us in excess of $100,000; and (g) the occurrence of a change in control (as defined in the Minosa Note). |  |  |  |
Judgment amount for acceleration of indebtedness |  |  |  |  |  | $ 100,000 |  |  |  |
Minimum aggregate offering price |  |  |  | 3,000,000 |  | 3,000,000 |  |  |  |
Note 6 - MINOSA 2 [Member] | Stock Purchase Agreement [Member] | Promissory Note [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate amount issuable |  |  |  |  |  |  |  |  |  | $ 14,750,000
Note 6 - MINOSA 2 [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  |  |  | $ 5,050,000 |  | $ 5,050,000 |  |  |  |
Interest rate, stated percentage | 10.00% |  |  |  |  |  |  |  |  |
Debt instrument, threshold payment term | 60 days |  |  |  |  |  |  |  |  |
Number of trading days | d | 75 |  |  |  |  |  |  |  |  |
Conversion price of Notes | $ / shares | $ 4.41 |  |  |  |  |  |  |  |  |
Note 6 - MINOSA 2 [Member] | Notes Payable, Other Payables [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  | $ 2,000,000 |  |  |  |  |  |  |  |

X
- Definition Aggregate offering price minimum. + References No definition available. + Details
Name: | omex_AggregateOfferingPriceMinimum
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt instrument maximum borrowing capacity. + References No definition available. + Details
Name: | omex_DebtInstrumentMaximumBorrowingCapacity
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt instrument threshold payment term. + References No definition available. + Details
Name: | omex_DebtInstrumentThresholdPaymentTerm
Namespace Prefix: | omex_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Judgment amount for acceleration of indebtedness. + References No definition available. + Details
Name: | omex_JudgmentAmountForAccelerationOfIndebtedness
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Pledged units of ownership. + References No definition available. + Details
Name: | omex_PledgedUnitsOfOwnership
Namespace Prefix: | omex_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
Name: | us-gaap_DebtConversionOriginalDebtAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 + Details
Name: | us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of a subjective acceleration clause that is a part of the debt instrument. A subjective acceleration clause is a provision in a debt agreement that states that the creditor may accelerate the scheduled maturities of the obligation under conditions that are not objectively determinable (for example, if the debtor fails to maintain satisfactory operations or if a material adverse change occurs). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1002-112600 + Details
Name: | us-gaap_DebtInstrumentSubjectiveAccelerationClause
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_InterestExpenseDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=omex_DebtInstrumentNotePurchaseAgreementOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=omex_SecondAREpsilonNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=omex_SharePurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |