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Note 5 - Common Stock Options and Warrants (Tables)
6 Months Ended
Jun. 30, 2016
Stock Warrants [Member]  
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
Warrants
   
Price Range
 
Outstanding December 31, 2015
    -     $ -  
Granted
    -       -  
Cancelled/Expired
    -       -  
Exercised
    -       -  
Outstanding June 30, 2016
    -       -  
Exercisable June 30, 2016
    -     $ -  
Employee Stock Option [Member]  
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
Options
   
Price Range
 
Outstanding December 31, 2015
    8,568     $ 0.95  
Granted
    -       -  
Cancelled/Expired
    -       -  
Exercised
    -       -  
Outstanding June 30, 2016
    8,568       0.95  
Exercisable June 30, 2016
    8,568     $ 0.95