Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Deficit) (Tables)

v3.8.0.1
Stockholders' Equity (Deficit) (Tables)
12 Months Ended
Dec. 31, 2017
Equity [Abstract]  
Summary of the Company's Outstanding Stock Warrants and Changes During the Period

A summary of the status of the Company’s outstanding stock warrants and changes during the period then ended is as follows:

 

    Number of Warrants     Weighted Average Exercise Price     Weighted Average Remaining Life  
Balance at December 31, 2015     505,327     $ 17.09       0.87  
Granted     43,525     $ 6.92       4.94  
Cancelled     (426,499 )   $ 12.88        
Forfeited                  
Exercised     (5,834 )   $ 8.00        
Balance at December 31, 2016     116,519     $ 15.18       3.25  
Granted     7,941,374     $ 1.70       5.02  
Cancelled     (37,177 )   $ 15.60        
Forfeited                  
Exercised     (7,246,750 )   $ 1.38        
Balance at December 31, 2017     773,966     $ 5.99       4.12  
                         
Warrants exercisable at December 31, 2017     773,966                  
Weighted average fair value of warrants granted during the period           $ 1.70        

Summary of Stock Options and Changes During the Period

A summary of the stock options as of December 31, 2017 and changes during the period are presented below:

 

    Number of Options     Weighted Average
Exercise Price
    Weighted Average
Remaining Life
 
Balance at December 31, 2015     845,817     $ 17.00       7.11  
Granted     195,000     $ 8.52       9.44  
Cancelled     (93,464 )   $ 23.20        
Forfeited     (68,319 )   $ 20.96        
Exercised                  
Balance at December 31, 2016     879,034     $ 17.84       6.79  
Granted         $        
Cancelled         $        
Forfeited     (430,263 )   $ 13.13        
Exercised         $        
Balance at December 31, 2017     448,771     $ 15.50       6.23  
                         
Options Exercisable at December 31, 2017     433,667     $ 15.52       6.16  
Options expected to vest     15,104     $ 14.56       8.18  
Weighted average fair value of options granted during the period           $