Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Apr. 12, 2022	Jun. 30, 2021
Document Information [Line Items]
Entity Central Index Key	0001134765
Entity Registrant Name	Charlie's Holdings, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-32420
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	84-1575085
Entity Address, Address Line One	1007 Brioso Drive
Entity Address, City or Town	Costa Mesa
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92627
City Area Code	949
Local Phone Number	531-6855
Title of 12(b) Security	Common Stock ($0.001 par value)
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 60,949,561
Entity Common Stock, Shares Outstanding		216,840,987
Auditor Name	Baker Tilly US LLP
Auditor Location	Irvine, California
Auditor Firm ID	23