Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Mar. 16, 2017
Jun. 30, 2016
Document And Entity Information      
Entity Registrant Name NETWORK 1 TECHNOLOGIES INC    
Entity Central Index Key 0001065078    
Document Type 10-K    
Document Period End Date Dec. 31, 2016    
Document Fiscal Period Focus FY    
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 Public Float     $ 36,872,337
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   24,194,829  
Document Fiscal Year Focus 2016