Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2018
Mar. 28, 2019
Jun. 30, 2018
Document and Entity Information [Abstract]      
Document Type 10-K/A    
Amendment Flag true    
Amendment Description This Amendment No. 1 is being filed for the sole purpose of correcting an error regarding the number of the Company’s shares of common stock, par value $0.0002 per share (the “Common Stock”), that were outstanding as of March 28, 2019. The Original Form 10-K disclosed that as of March 28, 2019, the Company had 33,091,824 shares of Common Stock outstanding; however, the correct number of shares of the Company’s Common Stock outstanding as of March 28, 2019 was 34,093,067.    
Document Period End Date Dec. 31, 2018    
Entity Registrant Name HEAT BIOLOGICS, INC.    
Entity Central Index Key 0001476963    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Shell Company false    
Entity Emerging Growth Company false    
Trading Symbol HTBX    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 49,651,206
Entity Common Stock, Shares Outstanding   34,093,067