Document And Entity Information
Oct. 04, 2019
Document Information [Line Items]  
Entity Registrant Name National Beverage Corp.
Document Type 8-K
Document Period End Date Oct. 04, 2019
Entity Incorporation, State or Country Code DE
Entity File Number 1-14170
Entity Tax Identification Number 59-2605822
Entity Address, Address Line One 8100 SW Tenth Street
Entity Address, City or Town Fort Lauderdale
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33324
City Area Code 954
Local Phone Number 581-0922
Title of 12(b) Security Common Stock
Trading Symbol FIZZ
Security Exchange Name NASDAQ
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000069891