Net Loss Per Share (Schedule of Reconciliation of Net Loss to Net Loss Attributable to Heat Biologics, Inc.) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Net loss	$ (12,409,866)	$ (12,974,799)
Net loss: Non-controlling interest	(568,195)	(400,847)
Net loss attributable to Heat Biologics, Inc.	$ (11,841,671)	$ (12,573,952)
Weighted-average number of common shares used in net loss per share attributable to common stockholders - basic and diluted	3,845,342	1,758,621
Net loss per share applicable to Heat Biologics, Inc - basic and diluted	$ (3.08)	$ (7.15)