XML 63 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock Options and Equity-Classified Warrants, Warrants, Shares Purchased and Intrinsic Value (Details) - USD ($)
12 Months Ended
Jul. 31, 2017
Jul. 28, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Jul. 27, 2017
Dec. 16, 2016
Dec. 15, 2016
Feb. 29, 2016
Feb. 05, 2016
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Aggregate intrinsic value of outstanding options     $ 0              
Aggregate intrinsic value of options vested     0              
Aggregate intrinsic value of options exercised     $ 0              
Warrants exercise price (in dollars per share)     $ 30       $ 3.06 $ 4.20    
Consultant [Member]                    
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Contingent warrant period       18 months            
Warrants exercise price (in dollars per share)       $ 4.20            
Number of warrants issued (in shares)       333,334            
NantCell, Inc [Member]                    
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Warrants exercise price (in dollars per share)           $ 6.60        
Number of warrants issued (in shares)           500,000        
Hercules Capital, Inc. and Hercules Technology III, L.P. [Member]                    
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Percentage of stock issuable upon exercise of the warrants 80.00% 80.00%                
Warrants [Member]                    
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Warrants exercise price (in dollars per share)                 $ 10.44  
Number of warrants issued (in shares)                 83,334  
Non-employee stock-based compensation expenses     $ 41,865 $ 157,797            
Warrants [Member] | NantCell, Inc [Member]                    
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Number of warrants issued (in shares) 500,000                  
Warrants [Member] | Hercules Capital, Inc. and Hercules Technology III, L.P. [Member]                    
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Warrants exercise price (in dollars per share) $ 4.62 $ 4.62               $ 12.30
Warrants outstanding (in shares) 84,554                  
Number of warrants issued (in shares)                   105,691
Fair value of warrants classified as equity warrants     633,749 633,749            
Restricted Stock [Member]                    
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]                    
Restricted stock expense     $ 344,000 $ 15,000 $ 0