Document And Entity Information
Mar. 10, 2022
Document Information [Line Items]  
Entity, Registrant Name NORTECH SYSTEMS INCORPORATED
Document, Type 8-K
Document, Period End Date Mar. 10, 2022
Entity, Incorporation, State or Country Code MN
Entity, File Number 0-13257
Entity, Tax Identification Number 41-1681094
Entity, Address, Address Line One 7550 Meridian Circle N
Entity, Address, City or Town Maple Grove
Entity, Address, State or Province MN
Entity, Address, Postal Zip Code 55369
City Area Code 952
Local Phone Number 345-2244
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol NSYS
Security Exchange Name NASDAQ
Entity, Emerging Growth Company false
Amendment Flag false
Entity, Central Index Key 0000722313