Components of inventories at March 31, 2016 and 2015 were as follows (in thousands):

  
March 31,
 
  
2016
  
2015
 
Raw materials
 
$
15,737
  
$
16,436
 
Work-in-process
  
6,039
   
3,984
 
Finished goods
  
13,355
   
15,759
 
Inventories
 
$
35,131
  
$
36,179