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Note 13 - Related Parties (Tables)
 12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Related Party Transactions [Table Text Block]
Investor
  
Investment
    
OID/Discount
    
Principal
    
Shares Issuable
at 0.
40
(excluding
interest)
  
                                 
IBS Turnaround Fund (A Limited Partnership)
   $
531,960
      
0.66
     $
806,000
      
2,015,000
  
                                 
IBS Turnaround Fund QP (A Limited Partnership)
   $
1,118,040
      
0.66
     $
1,694,000
      
4,235,000
  
                                 
IBS Opportunity Fund, Ltd.
    
350,000
      
0.66
      
530,303
      
1,325,758
  
    $
2,000,000
      
 
     $
3,030,303
      
7,575,758