Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 02, 2021
Jun. 30, 2020
Cover [Abstract]      
Entity Registrant Name Super League Gaming, Inc.    
Entity Central Index Key 0001621672    
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Is Entity's Reporting Status Current? Yes    
Is Entity Emerging Growth Company? true    
Elected Not To Use the Extended Transition Period false    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Shell Company false    
Entity Interactive Data Current Yes    
Entity Incorporation, State or Country Code DE    
Entity File Number 001-38819    
Entity Common Stock, Shares Outstanding   21,608,144  
Entity Public Float     $ 24,097,000
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020