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Stock Options (Tables)
9 Months Ended
Sep. 30, 2018
Stock Options [Abstract]  
Schedule of information about stock options
    Number of options     Weighted average exercise price     Weighted average contractual term (years)     Aggregate intrinsic value  
Outstanding at January 1, 2018     335,900     $ 5.61                  
Granted     129,000       3.21                  
Canceled/Forfeited     (19,500 )     4.57                  
Outstanding at September 30, 2018     445,400     $ 4.96       7.23     $ -  
Vested and exercisable at September 30, 2018     278,567     $ 5.85       6.03     $ -  
Vested and exercisable at September 30, 2018 and expected to vest thereafter     445,400     $ 4.96       7.23     $ -
Schedule of option input into a Black Scholes option pricing model
Exercise price   $ 2.95 to $ 4.35  
Expected life     6 years  
Expected volatility     38 %
Dividend yield     0 %
Risk-free interest rate     2.27% to 2.88 %