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Note 6 - Convertible Debt (PIK Notes) (Tables)
 3 Months Ended
Mar. 31, 2017
Notes Tables  
Convertible Debt [Table Text Block]
 
 
Series 2023 Notes
 
 
Series A Notes
 
 
Total
 
PIK Note Payable, Gross
   $
14,774,562
     $
24,182,215
     $
38,956,777
  
Less: Discount
    
(1,683,046
)
    
(12,415,839
)
    
(14,098,885
)
Less: Deferred Financing Cost
    
(4,373
)
    
(7,502
)
    
(11,875
)
PIK Note Payable, Net
   $
13,087,143
     $
11,758,874
     $
24,846,017
  
                         
PIK Note Derivative Liability
   $
92,341
     $
1,191,134
     $
1,283,475
  
 
 
Series 2023 Notes
 
 
Series A Notes
 
 
Total
 
PIK Note Payable, Gross
   $
14,071,008
     $
24,125,958
     $
38,196,966
  
Less: Discount
    
(1,721,898
)
    
(13,421,225
)
    
(15,143,123
)
Less: Deferred Financing Cost
    
(5,064
)
    
(8,686
)
    
(13,750
)
PIK Note Payable, Net
   $
12,344,046
     $
10,696,047
     $
23,040,093
  
                         
PIK Note Derivative Liability
   $
142,909
     $
2,033,643
     $
2,176,552