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Equity (Tables)
 6 Months Ended
Jun. 30, 2017
Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of option and warrant activities
   Number of Units  Weighted 
Average 
Exercise 
Price		  Weighted 
Average 
Remaining 
Contractual 
Term 
(in years)		  Aggregate 
Intrinsic 
Value		 
Outstanding, December 31, 2016   5,906,886  $3.52   7.90   51,704 
Granted   2,537,500   1.34         
Cancelled   (1,455,500)  2.39         
Outstanding, June 30, 2017   6,988,886   2.97   6.74   361,444 
                  
Exercisable, June 30, 2017   3,413,802   3.86   4.26   246,884
Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of option and warrant activities
  Number of Units  Weighted 
Average 
Exercise 
Price		  Weighted 
Average 
Remaining 
Contractual 
Term 
(in years)		  Aggregate 
Intrinsic 
Value		 
             
Outstanding, December 31, 2016  8,964,752   3.72   1.95   1,445,786 
Exercised  (9,364)  0.78   -   - 
Cancelled  (10,000)  6.07   -   - 
Outstanding, June 30, 2017  8,945,388   3.69   1.53   2,547,468 
                 
Exercisable, June 30, 2017  8,725,388   3.62   1.44   2,530,668