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Note 13 - Debt (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
December 31,
 
   
2019
   
2018
 
Current:
               
Current portion of finance lease obligations
  $
684
    $
593
 
                 
Long Term:
               
Note payable – related party
  $
6,500
    $
6,500
 
Finance lease obligations
   
2,351
     
2,804
 
Less unamortized debt issuance and modification costs
   
(37
)    
(51
)
Long term debt and finance lease obligations, net of unamortized debt costs
  $
8,813
    $
9,253