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Inventories (Tables)
6 Months Ended
Jun. 30, 2013
Inventories [Abstract]  
Inventories
Inventories are stated at the lower of cost (weighted average first-in, first-out method) or market.  Appropriate consideration is given to deterioration, obsolescence and other factors in evaluating net realizable value.  Inventories are comprised of the following:

 
 
June 30,
2013
  
December 31,
2012
 
 
 
(unaudited)
  
 
 
 
  
 
Raw materials
 
$
6,369,000
  
$
6,674,000
 
Work-in-process
  
1,021,000
   
780,000
 
Finished goods
  
6,186,000
   
6,283,000
 
 
 
$
13,576,000
  
$
13,737,000