Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 14, 2024	Jun. 30, 2023
Document Information [Line Items]
Entity Central Index Key	0001757715
Entity Registrant Name	Aterian, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	001-38937
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	83-1739858
Entity Address, Address Line One	350 Springfield Avenue, 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
Title of 12(b) Security	Common stock, par value $0.0001 per share
Trading Symbol	ATER
Security Exchange Name	NASDAQ
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	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 37,000,000
Entity Common Stock, Shares Outstanding		92,063,605
Auditor Firm ID	34
Auditor Name	Deloitte & Touche LLP
Auditor Location	New York, New York