This represents per month compensation amount cancelled payable to related party.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This represents cancellation of stock payable to BOD for forgiveness of Board of Directors fees

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

It represents close price per share as on the reporting period.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The bonus declared which is payable in stock or cash to be determined by the Board of Directors.

+ References

No definition available.

+ Details

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Namespace Prefix:	bwmg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage represents gross revenues per quarter.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
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- Definition

The percentage indicates the restrictions on common stock.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

It represents the cash awarded for stock incentive bonus.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

It represents the value of shares awarded for stock incentive bonus.

+ References

No definition available.

+ Details

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

- Definition

Represents the total number of shares of stock payable for the end of the reporting period.

+ References

No definition available.

+ Details

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Namespace Prefix:	bwmg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the total number of shares returned for forgiveness of board of directors fees.

+ References

No definition available.

+ Details

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Namespace Prefix:	bwmg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the total value of shares of stock payable for the end of the reporting period.

+ References

No definition available.

+ Details

Name:	bwmg_StockValuePayableDuringPeriodSharesShareBasedCompensation
Namespace Prefix:	bwmg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The description of the license terms under the agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	bwmg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

+ 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.(k)(1))

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 4

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.(a),3)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph a

-Article 5

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

-Subparagraph 1

-Article 4

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Article 7

+ Details

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

- Definition

Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 31

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.30(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22-26)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22, 23, 24, 25, 26, 27

-Article 5

+ Details

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

- Definition

The cash inflow from borrowings supported by a written promise to pay an obligation that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

- Details

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

- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

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

- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted average of per share prices paid for shares purchased on the open market for issuance to employees under the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
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Period Type:

- Details

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Period Type:

- Details

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RELATED PARTIES TRANSACTIONS (Details Textual) (USD $)	0 Months Ended	1 Months Ended						3 Months Ended		12 Months Ended		0 Months Ended	12 Months Ended
RELATED PARTIES TRANSACTIONS (Details Textual) (USD $)	Oct. 30, 2013	Dec. 23, 2013	Nov. 30, 2013	May 31, 2013	Feb. 23, 2013	Dec. 24, 2010	Mar. 31, 2009	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Nov. 02, 2012	Dec. 31, 2012	Mar. 03, 2009	Jun. 11, 2012
Related Party Transaction [Line Items]
Revenue, Net								$ 464,508us-gaap_SalesRevenueNet	$ 588,383us-gaap_SalesRevenueNet
Related Party Transaction, Purchases from Related Party						25,500
Liabilities, Noncurrent						8,250us-gaap_LiabilitiesNoncurrent
Percentage Of Restrictions On Common Stock								10.00%
Sales Revenue, Goods, Net								294,065us-gaap_SalesRevenueGoodsNet	298,319us-gaap_SalesRevenueGoodsNet
Terms Of License Agreement								$2.00 per licensed product sold, rates increasing 5%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross							234			5,185
Share-based Compensation, Total	44,610us-gaap_ShareBasedCompensation
Cancelled Compensation Related Party		2,500bwmg_CancelledCompensationRelatedparty	27,500bwmg_CancelledCompensationRelatedparty
Cancelled Stock Payable To Board Of Directors											5,917
Additional Paid In Capital, Common Stock								8,654,837us-gaap_AdditionalPaidInCapital		8,631,496us-gaap_AdditionalPaidInCapital
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance														$ 1,350
Stock Incentive Bonus Cash Awarded					67,000bwmg_StockIncentiveBonusCashAwarded
Stock Returned For Forgiveness Of Bod Fees									4,534
Stock Issuable During Period Shares Share Based Compensation				1,852
Stock Value Payable During Period Shares Share Based Compensation				2,250
Closing Price Per Share	$ 0.025bwmg_ClosingPricePerShare
Percentage Of Gross Revenues Per Quarter								2.50%
Restricted Stock [Member]
Related Party Transaction [Line Items]
Declaration Of Bonus															83,333
Brownies Southport Divers Inc + Brownie Palm Beach Divers + Brownies Yacht Toys [Member]
Related Party Transaction [Line Items]
Revenue, Net								13,806	67,115
Brownies Southport Divers Inc [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Purchases from Related Party								22,221		42,882
Brownie Palm Beach Divers [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Purchases from Related Party								11,882		4,128
Brownies Yacht Toys [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Purchases from Related Party								6,977		8,451
Pompano Dive Center [Member]
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties								1,145		13,330
Sales Revenue, Goods, Net								1,145	1,079
Mikkel Pitzner [Member]
Related Party Transaction [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	1,802,565
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 0.01
Stock Returned For Forgiveness Of Bod Fees									14,406
Brownies Global Logistics LLC [Member]
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties								1,080		2,107
Purdon [Member]
Related Party Transaction [Line Items]
Share-based Compensation, Total								13,500	13,500
Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Stock Incentive Bonus Value Of Shares Awarded												45,000	61,852
Chief Executive Officer [Member] \| Brownies Southport Divers Inc + Brownie Palm Beach Divers + Brownies Yacht Toys [Member]
Related Party Transaction [Line Items]
Revenue, Net								156,637	221,741
Director [Member]
Related Party Transaction [Line Items]
Additional Paid In Capital, Common Stock											27,500
Board of Directors [Member]
Related Party Transaction [Line Items]
Declaration Of Bonus													129,500
Stock Incentive Bonus Value Of Shares Awarded													17,500
Board of Directors [Member] \| Mikkel Pitzner [Member]
Related Party Transaction [Line Items]
Proceeds from Secured Notes Payable	$ 85,000