Cover Page - shares	9 Months Ended
	Jul. 02, 2021	Aug. 02, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jul. 02, 2021
Entity File Number	001-34376
Entity Registrant Name	IEC ELECTRONICS CORP.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-3458955
Entity Address, Address Line One	105 Norton Street
Entity Address, City or Town	Newark
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	14513
City Area Code	315
Local Phone Number	331-7742
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	IEC
Security Exchange Name	NASDAQ
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		10,623,735
Entity Central Index Key	0000049728
Current Fiscal Year End Date	--09-30
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3