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Stock options (Tables)
12 Months Ended
Dec. 31, 2016
Stock Options Tables  
Stock option and warrant activity
          Weighted Average  
    Options     Exercise Price  
             
Outstanding at Beginning of Year 2015     6,250     $ 2.56  
                 
Granted     0          
                 
Cancelled or Exercised     0     $ 0  
                 
Outstanding at End of Year 2015     6,250     $ 2.56  
                 
Granted     600,000     $ 0.15  
                 
Granted     550,000     $ 0.25  
                 
Cancelled or Exercised     2,083     $ 1.44  
                 
Outstanding at End of Year 2016     1,154,167     $ 0.21  
Option and Warrats

 

    Options Outstanding   Options Exercisable  
          Weighted                  
          Average   Weighted           Weighted  
Range of   Number     Remaining   Average     Number     Average  
Exercise   Outstanding     Contractual   Exercise     Exercisable     Exercise  
Prices   at 12/31/16     Life   Price     at 12/31/16     Price  
                             
$0.15 - $3.12     1,154,167     1.42 years   $ 0.21       1,154,167     $ 0.21