Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.19.1
Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)
1 Months Ended 12 Months Ended
May 31, 2018
Oct. 31, 2017
May 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Nov. 02, 2017
Dec. 31, 2016
Revenue       $ 5,793,849 $ 1,519,943    
Accumulated deficit       84,580,180 68,846,326    
Net loss       16,591,293 $ 12,409,866    
Cash, cash equivalents and short term investments       $ 27,700,000      
Shares issued in acquisition       133,106    
Restricted cash       $ 0 $ 2,292    
Restricted cash from cash flows       22,154,251 9,765,359   $ 7,943,838
Cash balance insured       250,000 250,000    
Cash balance uninsured       21,904,251      
Fair value of the contingent consideration       $ 495,936 $ 224,289    
Federal corporate tax rate       21.00%      
Unearned revenue liability balance       $ 1,000,000      
Lab equipment [Member]              
Useful life       P5Y      
Computers [Member]              
Useful life       P5Y      
Furniture and Fixtures [Member]              
Useful life       P7Y      
Heat Biologics I, Inc [Member]              
Ownership interest in subsidiary       100.00% 92.50%    
CPRIT [Member]              
Deferred revenue       $ 1,000,000      
Grant received           $ 200,000  
Heat I, Inc. and Pelican [Member]              
Shares issued in acquisition       35,000      
Pelican Therapeutics, Inc. [Member]              
Revenue       $ 150,000      
Net loss       $ 170,000      
Percentage of voting interests acquired in acquisition       85.00% 80.00%    
Shares issued in acquisition       133,106      
Amount awarded from CPRIT grant $ 15,200,000     $ 7,600,000      
Contract value       $ 7,300,000      
Pelican Therapeutics, Inc. [Member] | Second tranche [Member] | Grant Revenue [Member]              
Revenue   $ 6,500,000          
Pelican Therapeutics, Inc. [Member] | First tranche [Member] | Grant Revenue [Member]              
Revenue     $ 1,800,000