XML 35 R18.htm IDEA: XBRL DOCUMENT v3.19.1
Stockholders' Deficit (Tables)
12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Schedule of the stock options activity

   Number of shares   Weighted average exercise
price
   Weighted average remaining contractual life (years) 
             
Outstanding at December 31, 2016             
Granted   1,105,394    $1.01    9.8 
Exercised            
Forfeited or expired   (84,223)   0.71    9.3 
Outstanding at December 31, 2017   1,021,171   $1.04    9.3 

  

   Number of shares   Weighted average exercise
price
   Weighted average remaining contractual life (years) 
             
Outstanding at December 31, 2017   1,021,171   $1.04    9.3 
Granted   697,500    3.73    - 
Exercised   -    -    - 
Forfeited or expired   (238,232)   3.59    - 
Outstanding at December 31, 2018   1,480,439   $1.90    8.8 
Exercisable at December 31, 2017   245,165   $0.82    9.1 
Exercisable at December 31, 2018   549,877   $0.98    8.4 
Schedule of Black Scholes pricing model with range of inputs
   Year Ended
   December 31,
2018
  December 31,
2017
       
Expected volatility  45%  40% – 45%
Risk-free interest rate 

1.95 – 2.99%

  1.82 – 2.56%
Expected life in years  5.39 – 6.25  5.5 – 625
Expected dividend yield  0%  0%
Schedule of unvested restricted shares
   Number of shares   Weighted average grant date fair value per share 
         
Unvested as of December 31, 2017        
Granted   1,099,285   $5.00 
Vested   (274,285)   5.00 
Forfeited   (825,000)   5.00 
Unvested as of December 31, 2018      $