v3.26.1
Cover
Apr. 06, 2026
Document Information Line Items  
Entity Registrant Name BT BRANDS, INC.
Entity Central Index Key 0001718224
Document Type 8-K
Amendment Flag false
Entity Emerging Growth Company false
Document Period End Date Apr. 06, 2026
Entity File Number 000-56113
Entity Incorporation State Country Code WY
Entity Tax Identification Number 91-1495764
Entity Address Address Line 1 10501 Wayzata Blvd South
Entity Address Address Line 2 Suite 102
Entity Address City Or Town Minnetonka
Entity Address State Or Province MN
Entity Address Postal Zip Code 55305
City Area Code 307
Local Phone Number 274-3055
Written Communications true
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Common Stocks [Member]  
Document Information Line Items  
Security 12b Title Common Stock
Trading Symbol BTBD
Security Exchange Name NASDAQ
Warrant [Member]  
Document Information Line Items  
Security 12b Title Warrants
Trading Symbol BTBDW
Security Exchange Name NASDAQ