Forgiveness of debt.

No definition available.

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

- Definition

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

+ References

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+ Details

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

- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

+ Details

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

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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

- 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 designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

+ Details

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

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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+ Details

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

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

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+ Details

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

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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+ Details

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

- Definition

The cash outflow for a borrowing supported by a written promise to pay an obligation.

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- 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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Period Type:	instant

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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- Details

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Balance Type:
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- Details

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Data Type:	na
Balance Type:
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- Details

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Balance Type:
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- Details

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- Details

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Namespace Prefix:
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Period Type:

- Details

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Convertible Debentures and Notes Payable (Details Narrative) - USD ($)				3 Months Ended		9 Months Ended		12 Months Ended
	May 19, 2021	Aug. 21, 2020	Sep. 30, 2019	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	May 12, 2021	Dec. 31, 2020	May 12, 2020	Oct. 15, 2016	Jul. 01, 2013
Short-term Debt [Line Items]
Notes payble outstanding				$ 116,160		$ 116,160
Repayments of Notes Payable						40,000	$ 45,000
Gain (Loss) on Extinguishment of Debt						10,000
Debt Instrument, Periodic Payment						1,000
Forgiveness of debt						159,600
Notes payble outstanding									$ 0
SBA Loan [Member] \| Paycheck Protection Program [Member]
Short-term Debt [Line Items]
Loan balance				0		0			159,600
Unsecured loan										$ 159,600
Submersible SBA Loan [Member]
Short-term Debt [Line Items]
Notes payble outstanding										116,160
Repayments of Notes Payable								$ 6,925
Debt Instrument, Term								2 years
Notes payble outstanding										$ 121,953
Hoboken Street Association [Member]
Short-term Debt [Line Items]
Notes payble outstanding				0		0			10,000		$ 10,000
Gain (Loss) on Extinguishment of Debt						10,000
Marlin Capital Solutions [Member]
Short-term Debt [Line Items]
Debt Instrument, Face Amount			$ 96,725
Debt Instrument, Term			36 months
Debt Instrument, Periodic Payment			$ 3,144
Loan balance				35,665		35,665
Mercedes Benz [Member] \| Installment Agreement [Member]
Short-term Debt [Line Items]
Debt Instrument, Face Amount		$ 55,841
Debt Instrument, Term		60 months
Debt Instrument, Periodic Payment		$ 931
Loan balance				$ 44,673		44,673
Navitas Credit Corp [Member] \| Installment Agreement [Member]
Short-term Debt [Line Items]
Debt Instrument, Face Amount	$ 79,309
Debt Instrument, Term	60 months
Debt Instrument, Periodic Payment	$ 1,611
Mr. Tom Gonzales [Member]
Short-term Debt [Line Items]
Notes payble outstanding									$ 40,000			$ 200,000
Repayments of Notes Payable						$ 40,000
Submersible Systems Inc [Member] \| Submersible SBA Loan [Member]
Short-term Debt [Line Items]
Debt Instrument, Interest Rate Terms								one percent per year