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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2019
2018 Plan [Member]  
Schedule of grant of options to employees and directors

   As of September 30, 2019 
   Number of options   Weighted average exercise price   Weighted average remaining contractual life 
             
Options outstanding as of December 31, 2018   255,000   $3.68    6.55 
Granted   153,822   $1.54    6.75 
Forfeited   (38,750)  $3.59    - 
                
Options outstanding as of September 30, 2019   370,072   $2.80    6.22 
                
Options exercisable as of September 30, 2019   149,847   $2.68    5.51