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Inventories, Net
 12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Inventories, net

Note 4 - Inventories, net:

 

 

 

December 31,

 

 

 

2016

 

 

2017

 

 

 

(in thousands)

 

Raw materials

 

$

2,743

 

 

$

2,730

 

Work in process

 

 

8,988

 

 

 

9,836

 

Finished products

 

 

3,243

 

 

 

2,816

 

Total

 

$

14,974

 

 

$

15,382