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Equity (Tables)
6 Months Ended
Jun. 30, 2019
Stockholders' Equity Note [Abstract]  
Summary of option activity
Stock options  Shares   Weighted average
exercise price
  

Aggregate

intrinsic
value (1)

 
Outstanding as of December 31, 2018   881,867   $2.34   $- 
Forfeited   (93,000)          
Exercised   -           
Outstanding as of June 30, 2019   788,867    2.34   $- 
Exercisable as of June 30, 2019   762,667    2.42   $-