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Note 5 - Line of Credit and Long-term Debt (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Maturities of Long-term Debt [Table Text Block]
Year ending December 31,
 
 
 
 
Remainder of 2020
  $
2,117
 
2021
   
3,176
 
2022
   
3,176
 
2023
   
3,176
 
2024
   
4,234
 
Thereafter
   
-
 
Total future principal payments   $
15,879