XML 96 R35.htm IDEA: XBRL DOCUMENT v3.20.1
Note 13 - Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2019
Notes Tables  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
   
Year ended December 31,
  
   
2019
    
2018
    
2017
  
   
(in thousands)
  
Beginning balance
   $
72
     $
1,300
     $
1,320
  
Additions
    
1,989
      
-
      
-
  
Payments
    
(309
 )    
(1,199
 )    
(126
 )
Change in fair value included in earnings
    
12
      
(29
 )    
106
  
                         
Ending balance
   $
1,764
     $
72
     $
1,300