XML 12 R1.htm IDEA: XBRL DOCUMENT v3.22.2.2
Cover - shares
 6 Months Ended
Jul. 03, 2022
Aug. 10, 2022
Cover [Abstract]    
Entity Registrant Name BT BRANDS, INC.  
Entity Central Index Key 0001718224  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --01-03  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company true  
Entity Current Reporting Status Yes  
Document Period End Date Jul. 03, 2022  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2023  
Entity Ex Transition Period false  
Entity Common Stock Shares Outstanding   6,461,118
Entity File Number 333-233233  
Entity Incorporation State Country Code WY  
Entity Tax Identification Number 91-1495764  
Entity Interactive Data Current Yes  
Entity Address Address Line 1 405 Main Avenue West  
Entity Address Address Line 2 Suite 2D  
Entity Address City Or Town West Fargo  
Entity Address State Or Province ND  
Entity Address Postal Zip Code 58078  
City Area Code 307  
Security 12b Title Common Stock, $0.002 per share  
Trading Symbol BTBD  
Security Exchange Name NASDAQ  
Document Quarterly Report true  
Document Transition Report false  
Local Phone Number 223-1663