Cover - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 15, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	1-10799
Entity Registrant Name	ADDvantage Technologies Group, Inc.
Entity Incorporation, State or Country Code	OK
Entity Tax Identification Number	73-1351610
Entity Address, Address Line One	1430 Bradley Lane
Entity Address, Address Line Two	Suite 196
Entity Address, City or Town	Carrollton
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75007
City Area Code	918
Local Phone Number	251-9121
Title of 12(b) Security	Common Stock, $.01 par value
Trading Symbol	AEY
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 12,138,955
Entity Common Stock, Shares Outstanding		14,132,033
Entity Central Index Key	0000874292
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false
Security Exchange Name	NASDAQ