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Note 21 - Mezzanine Equity (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Temporary Equity [Table Text Block]
Series B convertible preferred stock   Total
BALANCE, December 31, 2015    
-
  
Net Proceeds from Issuance of Series B    
1,741
  
Deemed dividend for beneficial conversion feature    
1,403
  
Beneficial conversion feature    
(1,403
 )
Balance December 31, 2016    
1,741