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Note 14 - Long Term Debt (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Debt [Table Text Block]
    December 31,
    2019   2018
    (in thousands)
Long-term debt:                
Term loan   $
54,997
     
62,400
 
Revolving line    
-
     
-
 
Total unamortized deferred financing costs    
(1,180
)    
(1,605
)
Total debt    
53,817
     
60,795
 
Less: current installments    
(3,200
)    
(2,400
)
Less: excess cash flow sweep    
(4,093
)    
(3,983
)
Current unamortized deferred financing costs    
393
     
401
 
Long-term debt   $
46,917
    $
54,813
 
Schedule of Maturities of Long-term Debt [Table Text Block]
    (in thousands)
     
2020   $
7,293
 
2021    
3,200
 
2022    
3,200
 
2023    
41,304
 
Total   $
54,997