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Note 9 - Debt and Other Financing Arrangements (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
2019   $
208
 
2020    
416
 
2021    
416
 
2022    
381
 
Total long-term debt    
1,421
 
Less current portion of long-term debt    
(416
)
Total long-term debt, net of current portion   $
1,005