Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2015
Mar. 28, 2016
Jun. 30, 2015
Document and Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2015    
Entity Registrant Name Professional Diversity Network, Inc.    
Entity Central Index Key 0001546296    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2015    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   14,608,230  
Entity Public Float     $ 9,886,395
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes