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Convertible Promissory Notes and Other Notes Payable (Details 3) - $ / shares
1 Months Ended 2 Months Ended 12 Months Ended
Mar. 25, 2016
Dec. 11, 2015
Nov. 23, 2015
Sep. 02, 2015
Jan. 31, 2015
Mar. 31, 2016
Mar. 31, 2016
Nov. 11, 2015
Market Price (in dollars per share)           $ 8.75 $ 8.75  
Warrant [Member]                
Market Price (in dollars per share) $ 8.00 $ 5.00 $ 6.75 $ 9.11 $ 8.00     $ 6.50
Exercise price per share $ 8.00 $ 7.00 $ 7.00 $ 9.25 $ 10.00      
Risk-free interest rate 1.39% 1.16% 1.70% 1.52%        
Contractual term in years 5 years 3 years 5 years 5 years        
Volatility 78.96% 77.88% 77.95% 77.20%        
Dividend rate 0.00% 0.00% 0.00% 0.00% 0.00%      
Weighted Average Fair Value per share $ 5.08 $ 2.12 $ 4.22 $ 5.68        
Warrant [Member] | Maximum [Member]                
Contractual term in years         5 years      
Warrant [Member] | Minimum [Member]                
Contractual term in years         1 year      
Pre-Modification [Member] | Warrant [Member]                
Market Price (in dollars per share)           8.25 8.25  
Exercise price per share           $ 12.99 12.99  
Risk-free interest rate           0.28%    
Contractual term in years           1 month 24 days    
Volatility           91.20%    
Dividend rate           0.00%    
Weighted Average Fair Value per share           $ 0.30 0.30  
Pre-Modification [Member] | 7.5% B Notes Payable August 2012 (Service providers for accounts payable converted to notes payable) [Member] | Morrison & Foerster [Member] | Warrant [Member]                
Market Price (in dollars per share)           10.00 $ 10.00  
Risk-free interest rate             0.86%  
Contractual term in years             2 years 3 months 7 days  
Volatility             73.80%  
Dividend rate             0.00%  
Pre-Modification [Member] | 7.5% B Notes Payable August 2012 (Service providers for accounts payable converted to notes payable) [Member] | Morrison & Foerster [Member] | Warrant [Member] | Maximum [Member]                
Exercise price per share           40.00 $ 40.00  
Weighted Average Fair Value per share           2.39 2.39  
Pre-Modification [Member] | 7.5% B Notes Payable August 2012 (Service providers for accounts payable converted to notes payable) [Member] | Morrison & Foerster [Member] | Warrant [Member] | Minimum [Member]                
Exercise price per share           20.00 20.00  
Weighted Average Fair Value per share           1.04 1.04  
Post-Modification [Member] | Warrant [Member]                
Market Price (in dollars per share)           8.25 8.25  
Exercise price per share           $ 12.99 12.99  
Risk-free interest rate           0.36%    
Contractual term in years           4 months 24 days    
Volatility           91.20%    
Dividend rate           0.00%    
Weighted Average Fair Value per share           $ 0.80 0.80  
Post-Modification [Member] | 7.5% B Notes Payable August 2012 (Service providers for accounts payable converted to notes payable) [Member] | Morrison & Foerster [Member] | Warrant [Member]                
Market Price (in dollars per share)           10.00 10.00  
Exercise price per share           20.00 $ 20.00  
Risk-free interest rate             1.57%  
Contractual term in years             4 years 3 months 7 days  
Volatility             76.70%  
Dividend rate             0.00%  
Weighted Average Fair Value per share           $ 4.35 $ 4.35