Annual report pursuant to Section 13 and 15(d)

10. STOCK-BASED COMPENSATION (Tables)

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10. STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2017
Stock Option Activity
    Number of Shares     Weighted Average Exercise Price     Weighted Average Remaining Contract Term (Years)     Aggregate Intrinsic Value  
                         
Outstanding - December 31, 2015     9,799,036     $ 1.97       9.20     $ 57,800  
Granted     3,220,000       0.36              
Exercised                        
Forfeited     (74,631 )     0.55              
Expired     (103,405 )     2.34              
Outstanding - December 31, 2016     12,841,000       1.57       8.54       415,135  
Granted     10,312,000       0.36              
Exercised                        
Forfeited     (6,930,976 )     2.37              
Expired     (398,747 )     0.43              
Outstanding - December 31, 2017     15,823,277       0.46       7.91       5,406,499  
                                 
Total exercisable - December 31, 2017     12,084,662       0.50       7.73       2,059,545  
Total unvested - December 31, 2017     3,738,615       0.35       8.48       2,896,954  
Total vested or expected to vest - December 31, 2017     15,823,277       1.57       8.54       5,406,499
Nonvested Stock Option Activity
      Number of Shares     Weighted Average Fair Value Per Share on Grant Date  
                     
   Unvested stock options - December 31, 2015        2,511,055     $ 1.37  
   Granted       3,220,000       0.27  
   Vested       (1,932,191 )     0.96  
   Cancellations       (74,631 )     1.35  
   Unvested stock options - December 31, 2016       3,724,233       0.63  
   Granted       10,312,000       0.21  
   Vested       (3,366,642 )     0.50  
   Cancellations       (6,930,976 )     0.32  
   Unvested stock options - December 31, 2017       3,738,615       0.36  
Options Outside the Amended 2013 Plan [Member]  
Stock Option Activity
    Number of Shares     Weighted Average Exercise Price     Weighted Average Remaining Contract Term (Years)     Aggregate Intrinsic Value  
                         
Outstanding - December 31, 2016     2,750,000     $ 0.37       9.77     $ 170,500  
Granted     4,500,000       0.37       8.78       1,813,500  
Exercised                        
Forfeited                        
Expired                        
Outstanding - December 31, 2017     7,250,000       0.37       8.78       1,813,500  
                                 
Total exercisable - December 31, 2017     7,250,000       0.37       8.78       1,813,500  
Total unvested - December 31, 2017                        
Total vested or expected to vest - December 31, 2017     7,250,000       0.37       8.78       1,813,500  
Fair value assumptions
    2017     2016  
    Employees Weighted Average     Non-Employees Weighted Average     Employees Weighted Average     Non-Employees Weighted Average  
                         
Volatility     102.58%       95.94%       87.63%       90.38%  
Risk-Free Interest Rate     1.62%       2.59%       1.47%       1.37%  
Expected Term     3.17       10.00       5.68       10.00  
Dividend Rate     0.00%       0.00%       0.00%       0.00%  
Fair Value Per Share on Grant Date   $ 0.13     $ 0.33     $ 0.27     $ 0.32  

 

The following table presents the weighted-average assumptions used by the Company for calculating the fair value of its employee stock options granted outside of the Amended 2013 Plan using the Black-Scholes valuation model during the year ended December 31, 2017:

 

    Assumptions  
       
 Volatility     81.10%  
 Risk-Free Interest Rate     1.84%  
 Expected Term     4.63  
 Dividend Rate     0.00%  
 Fair Value Per Share on Grant Date   $ 0.15  
RSU activity outside of Amended 2013 Plan [Member]  
Nonvested Stock Option Activity

 

Unvested stock options - December 31, 2016       $  
  Granted     7,250,000       0.37  
  Vested     (7,250,000 )     0.37  
  Cancellations            
  Unvested stock options - December 31, 2017