Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v2.4.0.8
Document and Entity Information (USD $)
12 Months Ended
Dec. 31, 2013
Feb. 28, 2014
Jun. 30, 2013
Document and Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2013    
Entity Registrant Name NAVIDEA BIOPHARMACEUTICALS, INC.    
Entity Central Index Key 0000810509    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Entity Filer Category Accelerated Filer    
Entity Well Known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Common Stock, Shares Outstanding   149,702,543  
Entity Public Float     $ 315,338,908