Company Overview	3 Months Ended
Mar. 31, 2021
Accounting Policies [Abstract]
Company Overview	Note 1. Company Overview Brownie’s Marine Group, Inc., a Florida corporation (hereinafter referred to as “Brownies,” the “Company,” “our” or “BWMG”), designs, tests, manufactures and distributes recreational hookah diving, scuba and water safety products through its wholly owned subsidiary Trebor Industries, Inc., a Florida corporation organized in 1981 (“Trebor”), and manufactures and sells high pressure air and industrial compressor packages, yacht based scuba air compressor and nitrox generation systems through its wholly owned subsidiary Brownie’s High Pressure Compressor Services, Inc., a Florida corporation organized in 2017 (“LWA”). In addition, in December 2017, the Company formed BLU3, Inc., a Florida corporation (“BLU3”), to develop and market portable battery powered surface supplied air dive systems. When used herein, the “Company” or “BWMG” includes Brownie’s Marine Group, Inc., and our wholly-owned subsidiaries Trebor, LWA and BLU3.

The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-URI http://asc.fasb.org/topic&trid=2122149

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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