Net Loss Per Share (Schedule of Reconciliation of Net Loss to Net Loss Attributable to Heat Biologics, Inc.) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Net loss	$ (3,309,081)	$ (3,032,767)	$ (6,549,809)	$ (7,767,253)
Net loss: Non-controlling interest	(90,166)	(107,546)	(140,956)	(282,428)
Net loss attributable to Heat Biologics, Inc.	$ (3,218,915)	$ (2,925,221)	$ (6,408,853)	$ (7,484,825)
Weighted-average number of common shares used in net loss per share attributable to Heat Biologics, Inc. - basic and diluted	35,244,833	17,524,641	31,124,119	13,324,641
Net loss per share attributable to Heat Biologics, Inc. - basic and diluted	$ (0.09)	$ (0.17)	$ (0.21)	$ (0.56)