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Inventories (Tables)
6 Months Ended
Jun. 30, 2015
Inventories [Abstract]  
Inventory
Inventories consisted of the following:

  
June 30,
2015
  
December 31,
2014
 
     
Raw materials
 
$
1,556,000
  
$
1,715,000
 
Work in process
  
829,000
   
1,301,000
 
Finished goods
  
1,694,000
   
1,813,000
 
  
$
4,079,000
  
$
4,829,000