Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
3 Months Ended
Mar. 31, 2022
May 15, 2022
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2022  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2022  
Current Fiscal Year End Date --12-31  
Entity File Number 001-35824  
Entity Registrant Name Professional Diversity Network, Inc.  
Entity Central Index Key 0001546296  
Entity Tax Identification Number 80-0900177  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 55 E. Monroe Street  
Entity Address, Address Line Two Suite 2120  
Entity Address, City or Town Chicago  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60603  
City Area Code (312)  
Local Phone Number 614-0950  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol IPDN  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   16,346,972