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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Jun. 30, 2015
Summary of Significant Accounting Policies [Abstract]  
Fair value, financial liabilities measured on recurring basis
  Quoted Prices          
  In Active  Significant     Total 
  Markets for  Other  Significant  Carrying 
  Identical  Observable  Unobservable  Value as of 
  Assets  Inputs  Inputs  June 30, 
Description (Level 1)  (Level 2)  (Level 3)  2015 
Derivative liabilities - warrant instruments $-  $-  $14,001,369  $14,001,369 

   

The following table sets forth, by level within the fair value hierarchy, the Company’s financial liabilities that were accounted for at fair value on a recurring basis as of June 30, 2014:

 

Description Quoted Prices
In Active
Markets
for Identical Assets
(Level 1)
  Significant
Other
Observable Inputs
(Level 2)
  Significant Unobservable   Inputs 
(Level 3)
  Total Carrying Value as of June 30, 
2014,
 
Derivative liabilities - warrant instruments $-  $-  $25,586,933  $25,586,933

Fair value of the company level three financial liabilities

  Quoted Prices          
  In Active  Significant     Total 
  Markets for  Other  Significant  Carrying 
  Identical  Observable  Unobservable  Value as of 
  Assets  Inputs  Inputs  June 30, 
Description (Level 1)  (Level 2)  (Level 3)  2015 
Derivative liabilities - warrant instruments $-  $-  $14,001,369  $14,001,369 

 

The following table sets forth, by level within the fair value hierarchy, the Company’s financial liabilities that were accounted for at fair value on a recurring basis as of June 30, 2014:

 

Description Quoted Prices
In Active
Markets
for Identical Assets
(Level 1)
  Significant
Other
Observable Inputs
(Level 2)
  Significant Unobservable   Inputs 
(Level 3)
  Total Carrying Value as of June 30, 
2014
 
Derivative liabilities - warrant instruments $-  $-  $25,586,933  $25,586,933 

 

The following table sets forth a reconciliation of changes in the fair value of financial liabilities classified as level 3 in the fair value hierarchy:

 

  Significant Unobservable Inputs
(Level 3)
 
  Year 
Ended 
June 30,
  Six Months 
Ended 
June 30,
  Year 
Ended 
December 31,
 
  2015  2014  2013 
Beginning balance $25,586,933  $20,103,425  $5,090,988 
Change in fair value of derivative liabilities included in net loss for the year ended June 30, 2015, for the six months ended June 30, 2014, and for the year ended December 31, 2013, respectively  3,710,277   7,954,970   12,877,675 
Additions - warrant instruments  -   4,333,163   373,699 
Transfer of warrant instruments to additional paid-in-capital  (15,295,841)  (6,804,625)  - 
Additions - conversion feature of Series A preferred stock  -   -   1,761,063 
Ending balance $14,001,369  $25,586,933  $20,103,425 
 
Summary of anti-dilutive securities
  Year Ended 
June 30, 
2015
  Six Months
Ended 
June 30, 
2014
  Year Ended December 31, 
2013
 
Class A convertible preferred stock  71,672   667,462   - 
Series A preferred stock  -   -   2,720,826 
Common stock warrants  5,362,183   8,628,911   1,785,303 
Restricted stock awards  94,000   -   - 
Common stock options  777,630   673,034   373,082 
Total  6,305,485   9,969,407   4,879,211