Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2023	Aug. 04, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Entity Registrant Name	Aterian, Inc.
Entity Central Index Key	0001757715
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Common Stock, Shares Outstanding		85,322,493
Entity File Number	001-38937
Entity Tax Identification Number	83-1739858
Entity Address, Address Line One	350 Springfield Avenue
Entity Address, Address Line Two	Suite 200
Entity Address, City or Town	Summit
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07901
City Area Code	347
Local Phone Number	676-1681
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false
Title of each class	Common Stock, $0.0001 par value per share
Trading Symbol(s)	ATER
Name of each exchange on which registered	NASDAQ