Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2017
Aug. 10, 2017
Document And Entity Information    
Entity Registrant Name NETWORK 1 TECHNOLOGIES INC  
Entity Central Index Key 0001065078  
Document Type 10-Q  
Document Period End Date Jun. 30, 2017  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Is Entity a Well-known Seasoned Issuer No  
Is Entity a Voluntary Filer No  
Is Entity's Reporting Status Current Yes  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   24,160,759
Document Fiscal Year Focus 2017