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Equity (Details 1) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Option Indexed to Issuer's Equity [Line Items]    
Granted 275,000  
Employee Stock Option [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Outstanding, Beginning Balance 1,016,867  
Forfeited (84,000) (221,000)
Expired
Exercised (51,000) (7,000)
Outstanding, Ending Balance 881,867 1,016,867
Weighted average exercise price, Beginning Balance $ 2.17  
Weighted average exercise price, Granted $ 1.88
Weighted average exercise price, Exercised
Weighted average exercise price, Ending Balance $ 2.34 $ 2.17
Aggregate intrinsic value, Beginning Balance [1]
Aggregate intrinsic value, Ending Balance [1]
[1] The intrinsic value of the stock options at December 31, 2018 is the amount by which the market value of the Company's common stock of $1.13 as of December 31, 2018 exceeds the exercise price of the options.