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INVENTORIES
12 Months Ended
Dec. 31, 2011
INVENTORIES [Abstract]  
INVENTORIES
4.
INVENTORIES:
Inventories consist of the following:
 
December 31,
 
2011
   2010 
         
Raw materials
 $7,735,000  $7,584,000 
Work-in-process
  4,448,000   3,512,000 
Finished goods
  367,000   531,000 
   $12,550,000  $11,627,000