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Note 12 - Indebtedness (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
 
 
March 31,
2019
 
December 31,
2018
Revolving credit facility
 
$
5,000
 
 
$
8,000
 
Term loan
 
 
17,143
 
 
 
17,143
 
Total long-term debt
 
 
22,143
 
 
25,143
 
Current portion
 
 
(2,857
)
 
 
(2,857
)
Long-term debt, excluding current portion
 
$
19,286
 
$
22,286