Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 15, 2022
Jun. 30, 2021
Document Information [Line Items]      
Entity Central Index Key 0001621672    
Entity Registrant Name Super League Gaming, Inc.    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
Document Transition Report false    
Entity File Number 001-38819    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-1990734    
Entity Address, Address Line One 2912 Colorado Ave., 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    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol SLGG    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Shell Company false    
Entity Public Float     $ 131,565,000
Entity Common Stock, Shares Outstanding   36,809,187  
Auditor Name Baker Tilly US, LLP    
Auditor Location Irvine, California    
Auditor Firm ID 23