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Inventories (Tables)
3 Months Ended
Mar. 31, 2015
Inventories [Abstract]  
Inventory
Inventories consisted of the following:
 
 
 
March 31,
2015
 
 
December 31,
2014
 
 
 
 
Raw materials
 
$
1,733,000
  
$
1,715,000
 
Work in process
  
1,361,000
   
1,301,000
 
Finished goods
  
1,520,000
   
1,813,000
 
  
$
4,614,000
  
$
4,829,000