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Stockholders' Equity (Details 1) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Granted 225,000  
Shares, Outstanding at end of year 3,652,887  
Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Outstanding at beginning of year 2,176,637  
Number of Shares, Granted 1,671,250  
Shares, Exercised 0  
Shares, Expired and forfeited (45,000)  
Shares, Outstanding at end of year 3,802,887 2,176,637
Shares, Vested and expected to vest 3,802,887  
Shares, Exercisable 502,917  
Weighted-Average Exercise Price, Outstanding at beginning of year $ 1.25  
Weighted Average Exercise Price, Granted 1.83  
Weighted-Average Exercise Price, Exercised 0  
Weighted-Average Exercise Price, Expired and forfeited 1.90  
Weighted-Average Exercise Price, Outstanding at end of year 1.52 $ 1.25
Weighted Average Exercise Price, Vested and expected to vest 1.52  
Weighted-Average Exercise Price, Exercisable $ 0.96  
Weighted Average Remaining Contractual Life,, Outstanding 9 years 7 months 2 days 9 years 3 months
Weighted Average Remaining Contractual Life, granted 9 years 11 months 26 days  
Weighted Average Remaining Contractual Life, Forfeited 9 years 9 months  
Weighted Average Remaining Contractual Life, Vested and expected to vest 9 years 7 months 2 days  
Weighted Average Remaining Contractual Life,, Exercisable 7 years 1 month 6 days  
Aggregate Intrinsic Value, Outstanding $ 785,000  
Aggregate Intrinsic Value, Vested and expected to vest 785,000  
Aggregate Intrinsic Value, Exercisable $ 298,000