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Note 8 – Liability for Equity-Linked Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]
Stock price     $3.75 to $37.50  
Exercise price     $ .75 to $24.38  
Expected life (years)     2.0 to 6.5  
Expected volatility       59%  
Assumed dividend rate       - %    
Risk-free interest rate     .13% to 2.97%  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
    Initial Value   Annual Gain (Loss)   Value at 12/31/09   2010 Gain (Loss)   Value at 12/31/10   2011 Gain (Loss)   Value at
12/31/2011
  2012 Gain
(Loss)
  Value
at 12/31/2012
  2013 Gain
(Loss)
  Value
at 12/31/2013
  2014 Gain
(Loss)
  Value at
12/31/2014
January 1, 2009 adoption   $ 479,910     $ (390,368 )   $ 870,278     $ 868,772     $ 1,506     $ (88,290 )   $ 89,796     $ (21,856 )   $ 111,652     $ 100,053     $ 11,599     $ 11,599     $ -  
Warrants issued in quarter ended 6/30/2009     169,854       20,847       149,007       147,403       1,604       (4,689 )     6,293       6,293       -       -       -       -       -  
Warrants issued in quarter ended 9/30/2009     39,743       (738 )     40,481       40,419       62       (1,562 )     1,624       910       714       714       -       -       -  
Warrants is used in quarter ended 12/31/2009     12,698       617       12,081       12,053       28       (724 )     752       415       337       337       -       -       -  
Subtotal     702,205               1,071,847                                                                                  
Warrants issued in quarter ended 3/31/2010     25,553                       25,014       539       (5,570 )     6,109       3,701       2,408       2,408       -       -       -  
Warrants issued in quarter ended 6/30/2010     31,332                       30,740       592       (6,122 )     6,714       6,083       631       631       -       -       -  
Warrants issued in quarter ended 9/30/2010     31,506                       20,891       10,615       (44,160 )     54,775       1,338       53,437       53,437       -       -       -  
Total   $ 790,596     $ (369,642 )   $ 1,071,847     $ 1,145,292     $ 14,946     $ (151,117 )   $ 166,063     $ (3,116 )   $ 169,179     $ 157,580     $ 11,599     $ 11,599     $ -