Net Loss Per Share (Schedule of Reconciliation of Net Loss to Net Loss Attributable to Heat Biologics, Inc.) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Net loss	$ (2,504,178)	$ (1,663,988)	$ (9,053,987)	$ (9,431,241)
Net loss: Non-controlling interest	(203,371)	(47,042)	(344,328)	(329,471)
Net loss attributable to Heat Biologics, Inc.	$ (2,300,807)	$ (1,616,946)	$ (8,709,659)	$ (9,101,770)
Weighted-average number of common shares used in net loss per share attributable to Heat Biologics, Inc. - basic and diluted	35,786,606	19,420,026	32,695,360	15,371,267
Net loss per share attributable to Heat Biologics, Inc. - basic and diluted	$ (0.06)	$ (0.08)	$ (0.27)	$ (0.59)