Equity and Equity Incentive Plan - Schedule of Warrants Outstanding and Exercisable (Details) - Warrant [Member] - $ / shares	9 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants Outstanding, Range of Exercise Price Upper Limit	$ 0.01
Warrants Outstanding, Range of Exercise Price Lower Limit	$ 0.0115
Warrants Outstanding, Number Outstanding	56,783,551	6,783,551
Warrants Outstanding, Remaining Average Contractual Life (In Years)	1 year 8 months 23 days
Warrants Outstanding, Weighted Average Exercise Price	$ 0.01	$ 0.0115
Warrants Exercisable, Number Exercisable	56,783,551
Warrants Exercisable, Weighted Average Exercise Price	$ 0.01
Exercise Price Range One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants Outstanding, Range of Exercise Price Upper Limit	0.01
Warrants Outstanding, Range of Exercise Price Lower Limit	$ 0.0115
Warrants Outstanding, Number Outstanding	56,783,551
Warrants Outstanding, Remaining Average Contractual Life (In Years)	1 year 8 months 23 days
Warrants Outstanding, Weighted Average Exercise Price	$ 0.01
Warrants Exercisable, Number Exercisable	56,783,551
Warrants Exercisable, Weighted Average Exercise Price	$ 0.01

Share based compensation arrangement by share based payment award non option equity instruments exercisable.

No definition available.

Name:	BWMG_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisable
Namespace Prefix:	BWMG_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation arrangement by share based payment award non option equity instruments exercisable weighted average exercise price.

+ References

No definition available.

+ Details

Name:	BWMG_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisableWeightedAverageExercisePrice
Namespace Prefix:	BWMG_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation arrangement by share based payment award non option equity instruments Outstanding weighted average exercise price.

+ References

No definition available.

+ Details

Name:	BWMG_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	BWMG_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation shares authorized under non option equity plans exercise price range lower range limit.

+ References

No definition available.

+ Details

Name:	BWMG_ShareBasedCompensationSharesAuthorizedUnderNonOptionEquityPlansExercisePriceRangeLowerRangeLimit
Namespace Prefix:	BWMG_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Share based compensation shares authorized under non option equity plans exercise price range upper range limit.

+ References

No definition available.

+ Details

Name:	BWMG_ShareBasedCompensationSharesAuthorizedUnderNonOptionEquityPlansExercisePriceRangeUpperRangeLimit
Namespace Prefix:	BWMG_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Share based compensation shares authorized under non option equity plans exercise price range outstanding warrants weighted average remaining contractual term.

+ References

No definition available.

+ Details

Name:	BWMG_SharebasedCompensationSharesAuthorizedUnderNonOptionEquityPlansExercisePriceRangeOutstandingWarrantsWeightedAverageRemainingContractualTerm
Namespace Prefix:	BWMG_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=BWMG_ExercisePriceRangeOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: