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Equity (Details 1) - USD ($)
 12 Months Ended
Oct. 07, 2013
Dec. 31, 2019
Dec. 31, 2018
Option Indexed to Issuer's Equity [Line Items]      
Granted     275,000
Exercised (94,000)    
Employee Stock Option [Member]      
Option Indexed to Issuer's Equity [Line Items]      
Outstanding, Beginning Balance   881,867 1,016,867
Forfeited   (87,000) (84,000)
Exercised   (51,000)
Outstanding, Ending Balance   794,867 881,867
Weighted average exercise price, Beginning Balance   $ 2.34 $ 2.26
Weighted average exercise price, Exercised    
Weighted average exercise price, Ending Balance   $ 2.40 $ 2.34
Aggregate intrinsic value, Beginning Balance [1]  
Aggregate intrinsic value, Ending Balance [1]  
[1] The intrinsic value of the stock options at December 31, 2019 is the amount by which the market value of the Company's common stock of $0.39 as of December 31, 2019 exceeds the exercise price of the options.