Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants (Narrative) (Details)

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Stock Warrants (Narrative) (Details) - $ / shares
 6 Months Ended
Jun. 30, 2015
Mar. 11, 2015
Class of Warrant or Right [Line Items]    
Warrants outstanding (shares) 1,800,000  
Common Stock    
Class of Warrant or Right [Line Items]    
Exercise price of warrant issued, dollars per share $ 2,000  
Common Stock | Macrophage Therapeutics    
Class of Warrant or Right [Line Items]    
Number of shares underlying warrant issued 300 300
Minimum    
Class of Warrant or Right [Line Items]    
Exercise price of warrant issued, dollars per share $ 1.918  
Warrant, Outstanding Term    
Maximum    
Class of Warrant or Right [Line Items]    
Exercise price of warrant issued, dollars per share $ 3.04  
Warrant, Outstanding Term 8 years  
Weighted Average    
Class of Warrant or Right [Line Items]    
Exercise price of warrant issued, dollars per share $ 2.27