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INVENTORIES
9 Months Ended
Dec. 31, 2011
INVENTORIES [Abstract]  
INVENTORIES
NOTE 5.
INVENTORIES
 
Inventories include material, labor and overhead, and are stated at the lower of cost (first-in, first-out method) or market.  Components of inventories were as follows (in thousands):
 
   
December 31,
  
March 31,
 
   
2011
  
2011
 
Raw materials
 $9,081  $9,950 
Work-in-process
  2,626   2,323 
Finished goods
  8,145   7,541 
Inventories
 $19,852  $19,814