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STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of black - scholes option-pricing model valuation assumption

The calculation of the fair value of the awards using the Black - Scholes option-pricing model is affected by the Company’s stock price on the date of grant as well as assumptions regarding the following: 

 

    Six months ended June 30,
    2018   2017
Expected volatility    103% – 103%   137% - 140%
Expected term   4.77 – 5.04 Years   4 Years
Risk-free interest rate   2.56% - 2.57%   1.33%
Forfeiture Rate   0.00%   0.00%
Expected dividend yield   0.00%   0.00%
Schedule of outstanding stock options

A summary of the status of the Company’s outstanding stock options as of June 30, 2018 and changes during the period ending on that date is as follows: 

 

          Weighted
Average		     Aggregate     Average  
          Exercise     Intrinsic     Remaining  
    Shares (000’s)     Price     Value (000’s)     Term (Yrs)  
Options                                
Balance at December 31, 2017     4,602     $ 1.82     $ 12,476       4.23  
Granted     1,453       5.56                  
Exercised     (702 )     0.40                  
Forfeiture and cancelled     (17 )     3.19                  
Balance June 30, 2018     5,336     $ 3.02     $ 8,794       5.49  
                                 
Exercisable at June 30, 2018     3,026     $ 1.84                  
Schedule of employee stock options outstanding

The following table summarizes information about employee stock options outstanding at June 30, 2018:

 

    Outstanding Options     Vested Options  
Range of Exercise Price   Number Outstanding at June 30, 2018 (000’s)     Weighted Averaged Remaining Life (years)     Weighted Averaged Exercise Price     Number Exercisable at June 30, 2018 (000’s)     Weighted Averaged Exercise Price     Weighted Averaged Remaining Life (years)  
$0.20 - $0.53     502       3.58     $ 0.27       514     $ 0.28       3.50  
$0.65 - $1.80     1,042       1.61     $ 0.85       1,028     $ 0.85       1.59  
$1.83 - $2.84     1,169       3.84     $ 2.06       827     $ 2.07       3.83  
$3.20 - $6.20     2,613       8.15     $ 4.82       649     $ 4.25       6.79  
$7.20 - $22.00     8       1.13     $ 10.36       8     $ 10.36       1.13  
Outstanding options     5,336       5.49     $ 3.02       3,026     $ 1.84       3.64  
Summary of restricted stock awards

A summary of the Company’s restricted stock activity for the six months ended June 30, 2018 and 2017 is presented in the following table:

 

      For the Six Months ended  
      June 30, 2018     June 30, 2017  
      Shares     Weighted Average Grant Date Fair Value     Shares     Weighted Average Grant Date Fair Value  
Unvested at beginning of period       72,222     $ —       —       —  
Granted               —       100,000       3.64  
Vested       (16,667 )     —       (11,111 )     —  
Unvested at end of period       55,556     $ 3.64       88,889       3.64