Cover - shares	6 Months Ended
	Jun. 30, 2021	Aug. 09, 2021
Affiliate, Collateralized Security [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2021
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--12-31
Entity File Number	000-53204
Entity Registrant Name	Beam Global
Entity Central Index Key	0001398805
Entity Tax Identification Number	26-1342810
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	5660 Eastgate Dr.
Entity Address, City or Town	San Diego
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92121
City Area Code	(858)
Local Phone Number	799-4583
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		8,931,601
Common stock, $0.001 par value
Affiliate, Collateralized Security [Line Items]
Title of 12(b) Security	Common stock, $0.001 par value
Trading Symbol	BEEM
Security Exchange Name	NASDAQ
Warrants
Affiliate, Collateralized Security [Line Items]
Title of 12(b) Security	Warrants
Trading Symbol	BEEMW
Security Exchange Name	NASDAQ