Fair value of warrant issuances.

No definition available.

Name:	OCEA_FairValueOfNoncashStockIssuances
Namespace Prefix:	OCEA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Gain loss on exchange of notes.

+ References

No definition available.

+ Details

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Namespace Prefix:	OCEA_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage average market capitalization.

+ References

No definition available.

+ Details

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Namespace Prefix:	OCEA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

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-Topic 235
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-Paragraph 1
-Subparagraph (SX 210.4-08(c))
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.

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

- Definition

Face (par) amount of debt instrument at time of issuance.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details

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

- Definition

Increase for accrued, but unpaid interest on the debt instrument for the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Data Type:	dtr-types:percentItemType
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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of income (expense) related to nonoperating activities, classified as other.

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- Definition

Total amount of cash paid for operating activities during the current period.

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Period Type:	duration

- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Balance Type:	credit
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

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-Subparagraph (SX 210.3-04)
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Balance Type:	na
Period Type:	duration

- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

+ References

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Name:	srt_TitleOfIndividualAxis=us-gaap_InvestorMember
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- Details

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Senior Secured Convertible Notes (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 23, 2024	Jul. 15, 2024	May 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Oct. 02, 2023
Cash								$ 4
Other income (expense)			$ 500		$ (3)		$ (6)
Fair value of noncash stock issuance					109		686
Share price									$ 2.50
[custom:GainLossOnExchangeOfNotes]				1,899		1,899
Investor [Member]
Number of shares of common stock								39,650
Fair value of noncash stock issuance						200
SPA Warrant [Member]
Other income (expense)			600
Senior Secured Convertible Notes [Member]
Principal amount			$ 7,600
Warrants issued			552,141
Conversion price			$ 10.34
Exercise term			5 years
Debt instrument, interest rate			8.00%
Proceeds from convertible debt			$ 8,600
Debt instrument description			(i) 8% per annum and (ii) the greater of (x) 5% per annum and (y) the sum of (a) the “secured overnight financing rate,” which from time to time is published in the “Money Rates” column of The Wall Street Journal (Eastern Edition, New York Metro), in effect as of such date of determination and (b) 2% per annum.
Percentage average market capitalization			35.00%
Senior Secured Convertible Notes [Member] \| Affiliates and Other Related Parties [Member]
Equity Method Investment, Ownership Percentage			9.99%
Senior Secured Convertible Notes [Member] \| Maximum [Member]
Principal amount			$ 27,000
Conversion price			$ 11.50
Debt instrument face amount			$ 10,800
Cash			3,000
Senior Secured Convertible Notes [Member] \| Minimum [Member]
Cash			$ 1,500
2024 Convertible Note [Member]
Warrants issued	1,332,806
Secured notes	$ 7,700
Payments for operating activities	$ 1,100
Number of restricted shares issues	3,844,466
Share price	$ 5.00
2024 Notes [Member]
Debt instrument face amount		$ 6,300
Principal amount of the existing note	$ 9,700	7,100		$ 10,600		$ 10,600
Debt Instrument, Increase, Accrued Interest		800
Long-Term Debt, Fair Value		6,800
[custom:GainLossOnExchangeOfNotes]		300
2024 Notes [Member] \| SPA Warrants [Member]
Principal amount of the existing note		3,800
[custom:GainLossOnExchangeOfNotes]		2,200
2023 Note [Member] \| SPA Warrants [Member]
Principal amount of the existing note		$ 1,600