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Note 14 - Debt (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
December 31,
 
 
 
 
   
2017
   
2016
 
Current:
               
Current portion of capital lease obligations
  $
829
    $
208
 
                 
Long Term:
               
Note payable
– related party
  $
6,500
    $
6,500
 
Capital lease obligations
   
3,397
     
2,950
 
Less unamortized debt issuance and modification costs
   
(65
)    
(125
)
Long term debt and capital lease obligations, net of unamortized debt costs
  $
9,832
    $
9,325
 
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]
2018
  $
1,214
 
2019
   
927
 
2020
   
881
 
2021
   
580
 
2022
   
548
 
Thereafter
   
1,691
 
Total future payments
   
5,841
 
Less: Amount representing interest
   
(1,615
)
Present value of future minimum payments
   
4,226
 
Less: Current portion
   
(829
)
Long term portion
  $
3,397