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Inventories
3 Months Ended
Mar. 31, 2013
Inventories [Abstract]  
Inventories
Note 2 - Inventories

Inventories at March 31, 2013 and December 31, 2012, on a FIFO basis, were as follows:

   
March 31, 2013
  
December 31, 2012
 
Raw materials
 $15,168  $15,731 
Work in process
  13,893   13,168 
Finished manufactured goods
  28,392   32,293 
Total inventories
 $57,453  $61,192