| Document And Entity Information | Nov. 15, 2021 |
| Document Information [Line Items] | |
| Entity, Registrant Name | Super League Gaming, Inc. |
| Document, Type | 8-K |
| Document, Period End Date | Nov. 15, 2021 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 001-38819 |
| Entity, Tax Identification Number | 47-1990734 |
| Entity, Address, Address Line One | 2912 Colorado Avenue |
| Entity, Address, Address Line Two | Suite #203 |
| Entity, Address, City or Town | Santa Monica |
| Entity, Address, State or Province | CA |
| Entity, Address, Postal Zip Code | 90404 |
| City Area Code | 802 |
| Local Phone Number | 294-2754 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | SLGG |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | true |
| Entity, Ex Transition Period | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001621672 |
