| Document and Entity Information | Jul. 30, 2021 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | Jul. 30, 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value |
| Trading Symbol | BBQ |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001021270 |
| Amendment Flag | false |
