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Equity (Details 1) - Stock options [Member] - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Option Indexed to Issuers Equity [Line Items]    
Outstanding, Beginning Balance 1,237,867 720,000
Granted 580,867
Forfeited (221,000) (56,000)
Expired
Exercised (7,000)
Outstanding, Ending Balance 1,016,867 1,237,867
Weighted average exercise price, Beginning Balance $ 2.17 $ 2.36
Weighted average exercise price, Granted 1.88
Weighted average exercise price, Exercised
Weighted average exercise price, Ending Balance $ 2.26 $ 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, 2017 is the amount by which the market value of the Company's common stock of $1.75 as of December 31, 2017 exceeds the exercise price of the options.