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Note 12 - Debt (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
March 31,
   
December 31,
 
   
2019
   
2018
 
   
(Unaudited)
   
 
 
 
Current:
               
Current portion of finance lease obligation
  $
632
    $
593
 
Long Term:
               
Note payable – related party
  $
6,500
    $
6,500
 
Finance lease obligation
   
2,889
     
2,804
 
Less unamortized debt issuance and modification costs
   
(47
)    
(51
)
Long term debt net of unamortized debt costs
  $
9,342
    $
9,253