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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2013
INVENTORIES [Abstract]  
Schedule of inventory
Inventories are stated at the lower of cost or market.  Cost is determined principally on the average cost method.  Inventories at March 31, 2013 and December 31, 2012 were as follows (in thousands):

 
 
March 31,
2013
 
 
December 31,
2012
 
 
 
 
 
 
 
 
Raw materials
 
$
5,554
 
 
$
5,133
 
Work in process
 
 
1,201
 
 
 
1,294
 
Finished goods
 
 
2,238
 
 
 
2,016
 
Gross inventories
 
 
8,993
 
 
 
8,443
 
Less: reserve for obsolescence
 
 
(456
)
 
 
(459
)
 
 
 
 
 
 
 
 
 
Net inventories
 
$
8,537
 
 
$
7,984