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Note 8 - Goodwill and Other Intangible Assets, Net (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
(In Thousands)
 
 
 
 
 
 
 
 
   
March 31,
   
December 31,
 
   
2020
   
2019
 
Gross amount
  $
3,495
    $
3,495
 
Accumulated amortization
   
(2,310
)    
(2,248
)
Net
  $
1,185
    $
1,247