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Stock options (Tables)
12 Months Ended
Dec. 31, 2014
Stock Options Tables  
Stock option and warrant activity
  Pre-Split   Post-Split   Weighted Average
  Options   Options   Exercise Price
           
Outstanding at Beginning of Year 2013 1,245,000       $0.142
           
Reverse Split as of August 12, 2013 1,245,000   103,750   $1.71
           
Granted 0   0    
           
Cancelled or Exercised (520,000)   (43,333)   $1.55
           
Outstanding at End of Year 2013 725,000   60,417   $1.82
           
Granted 0   0    
           
Cancelled or Exercised (650,000)   (54,167)   $1.73
           
Outstanding at End of Year 2014 75,000   6,250   $2.56
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 12/31/14 Life Price at 12/31/14 Price
$1.44 - $3.12 6,250 4.71 years $2.56 6,250 $2.56