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Warrants (Tables) - Warrant [Member]
6 Months Ended
Jun. 30, 2016
Class of Warrant or Right [Line Items]  
Summarizes of the assumptions of estimate the fair value warrants granted
   2016 
     
 Expected dividend yield  0%
 Expected volatility  108%
 Risk-free interest rate  0.99%
 Expected life of warrants  3.0 years 

 

   2016 
     
 Expected dividend yield  0%
 Expected volatility  108%
 Risk-free interest rate  0.73%
 Expected life of warrants  1.95 – 1.99 years 
Schedule of warrant activity
   Number of Warrants  Weighted Average Exercise Price per
Share
  Weighted
Average
Contractual Life in Years
  Aggregate
Intrinsic Value
 
 Outstanding – December 31, 2015  134,209  $23.87   3.66     
 Exercisable – December 31, 2015  104,209  $27.87   4.01  $0 
 Granted  60,000  $2.91         
 Forfeited or Expired  (80) $404.49         
 Outstanding – June 30, 2016  194,129  $17.24   3.06   
 Exercisable – June 30, 2016  181,629  $17.73   3.14  $11,400