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Note 8 - Debt and Other Financing Arrangements (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
2020   $
340
 
2021    
688
 
2022    
664
 
2023    
294
 
2024    
305
 
Long-term debt from equipment financing    
2,291
 
Less current portion of long-term debt    
(683
)
Long-term debt from equipment financing, net of current portion    
1,608
 
PPP Loan    
2,181
 
Total long-term debt, net of current portion   $
3,789