v3.21.1
Document and Entity Information - shares
 3 Months Ended
Apr. 04, 2021
May 16, 2021
Document and entity information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Apr. 04, 2021  
Entity File Number 001-39053  
Entity Registrant Name BBQ HOLDINGS, INC.  
Entity Incorporation, State or Country Code MN  
Entity Tax Identification Number 83-4222776  
Entity Address, Address Line One 12701 Whitewater Drive, Suite 100  
Entity Address, City or Town Minnetonka  
Entity Address, State or Province MN  
Entity Address, Postal Zip Code 55343  
City Area Code 952  
Local Phone Number 294-1300  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol BBQ  
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   9,307,442
Current Fiscal Year End Date --01-02  
Document Fiscal Year Focus 2021  
Document Period Focus Q1  
Entity Central Index Key 0001021270  
Amendment Flag false