XML 38 R27.htm IDEA: XBRL DOCUMENT v3.20.2
Note 8 - Accrued Retirement Benefits (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
   
September 30,
   
December 31,
 
   
2020
   
2019
 
   
(unaudited)
   
(audited)
 
   
(in thousands)
 
                 
Defined benefit pension plan
  $
7,324
    $
7,658
 
Non-qualified retirement plans
   
2,169
     
2,209
 
Total
   
9,493
     
9,867
 
Less current portion
   
(165
)    
(165
)
Non-current portion of accrued retirement benefits
  $
9,328
    $
9,702
 
Schedule of Net Benefit Costs [Table Text Block]
   
Three Months Ended
   
Nine Months Ended
 
   
September 30,
   
September 30,
 
   
(unaudited)
   
(unaudited)
 
   
2020
   
2019
   
2020
   
2019
 
   
(in thousands)
 
Interest cost
  $
408
    $
527
    $
1,225
    $
1,580
 
Expected return on plan assets
   
(489
)    
(480
)    
(1,483
)    
(1,446
)
Amortization of net loss
   
206
     
211
     
617
     
634
 
Pension and other postretirement expenses
  $
125
    $
258
    $
359
    $
768