Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2021
Nov. 09, 2021
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2021  
Entity File Number 001-35994  
Entity Registrant Name HEAT BIOLOGICS, INC.  
Entity Incorporation DE  
Entity Tax Identification Number 26-2844103  
Entity Address, Address Line One 627 Davis Drive, Suite 400  
Entity Address, City or Town Morrisville  
Entity Address, State or Province NC  
Entity Address, Postal Zip Code 27560  
City Area Code 919  
Local Phone Number 240-7133  
Title of 12(b) Security Common Stock  
Trading Symbol HTBX  
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   25,403,519
Entity Central Index Key 0001476963  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Amendment Flag false