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Inventories
3 Months Ended
Mar. 31, 2016
Inventories [Abstract]  
Inventory Disclosure [Text Block]
4.
Inventories:
 
Inventories consist of the following:
 
(In thousands)
 
March 31,
2016
 
December 31,
2015
 
 
 
 
 
 
 
 
 
Raw materials and component parts
 
$
35,699
 
$
30,569
 
Finished goods
 
 
77,190
 
 
67,777
 
 
 
 
 
 
 
 
 
 
 
$
112,889
 
$
98,346