Quarterly report pursuant to Section 13 or 15(d)

Cover

v3.21.1
Cover - shares
3 Months Ended
Mar. 31, 2021
May 10, 2021
Cover [Abstract]    
Entity Registrant Name NETWORK 1 TECHNOLOGIES INC  
Entity Central Index Key 0001065078  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Mar. 31, 2021  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2021  
Entity Common Stock Shares Outstanding   24,117,129
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes