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Inventories
3 Months Ended
Mar. 31, 2012
Inventories [Abstract]  
Inventories
Note C - Inventories

The components of inventories follow:

   
March 31, 2012
  
December 31, 2011
 
        
Raw material and component parts
 $12,003,319  $11,863,199 
Work in process
  6,514,365   6,425,914 
Finished goods
  11,641,411   11,504,321 
   $30,159,095  $29,793,434