Annual report pursuant to Section 13 and 15(d)

Preferred Stock (Narrative) (Details)

v3.3.1.900
Preferred Stock (Narrative) (Details) - $ / shares
 1 Months Ended 12 Months Ended
Aug. 31, 2015
Nov. 30, 2014
Sep. 30, 2013
Jun. 30, 2013
Apr. 30, 2013
Feb. 28, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2015
Class Of Stock [Line Items]                  
Issued stock in connection with public offerings, net of costs, shares     10,563,381   2,100,000 1,542,389      
Shares conversion, number of common stock equivalent to each preferred stock       3,270          
Exercise price of warrant issued, dollars per share                 $ 0.38
Preferred Stock, Shares Outstanding 0                
Minimum [Member]                  
Class Of Stock [Line Items]                  
Exercise price of warrant issued, dollars per share                 0.01
Platinum Management New York LLC [Member]                  
Class Of Stock [Line Items]                  
Shares converted 4,519                
Platinum Management New York LLC [Member] | Minimum [Member]                  
Class Of Stock [Line Items]                  
Common stock distribution or issuance effective price $ 1.35                
Common Stock [Member]                  
Class Of Stock [Line Items]                  
Issued stock in connection with public offerings, net of costs, shares               14,205,770  
Shares conversion, number of common stock equivalent to each preferred stock       3,270          
Platinum [Member] | Common Stock [Member]                  
Class Of Stock [Line Items]                  
Conversion of stock, shares issued             14,459,940 5,682,933  
Platinum Partners Value Arbitrage Fund [Member] | Common Stock [Member]                  
Class Of Stock [Line Items]                  
Shares exchanged   4,499,520              
Series LL Warrants [Member]                  
Class Of Stock [Line Items]                  
Exercise price of warrant issued, dollars per share                 $ 0.01
Series LL Warrants [Member] | Platinum Management New York LLC [Member]                  
Class Of Stock [Line Items]                  
Exercise price of warrant issued, dollars per share $ 0.01                
Outstanding number of warrant to be converted to common stock 14,777,130                
Platinum Montaur Life Sciences Llc Credit Facility [Member]                  
Class Of Stock [Line Items]                  
Number of common shares underlying Series B Preferred Stock       7,733,223          
Platinum Montaur Life Sciences Llc Credit Facility [Member] | Series X Warrants And Series AA Warrants [Member]                  
Class Of Stock [Line Items]                  
Number of common shares underlying Series B Preferred Stock       7,733,223          
Series B Preferred Stock [Member]                  
Class Of Stock [Line Items]                  
Conversion of Series B preferred stock to common stock, shares       2,364.9       2,364.9  
Preferred Stock, Shares Outstanding             4,519   0
Series B Preferred Stock [Member] | Platinum Management New York LLC [Member]                  
Class Of Stock [Line Items]                  
Shares conversion, number of common stock equivalent to each preferred stock 3,270                
Warrant issued upon exchange of preferred stock 14,777,130                
Series B Preferred Stock [Member] | Common Stock [Member]                  
Class Of Stock [Line Items]                  
Conversion of Series B preferred stock to common stock, shares             9,960,420 5,682,933  
Series B Preferred Stock [Member] | Platinum [Member]                  
Class Of Stock [Line Items]                  
Shares converted             4,422 1,737.9  
Series B Preferred Stock [Member] | Platinum Partners Value Arbitrage Fund [Member]                  
Class Of Stock [Line Items]                  
Issued stock in connection with public offerings, net of costs, shares   1,376