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Inventories
9 Months Ended
Sep. 30, 2014
Inventories [Abstract]  
Inventories
8.
Inventories

Inventories are carried at the lower of cost or market, determined on the first-in, first-out (FIFO) method.

Inventories consisted of the following:

  
September 30,
  
December 31,
 
  
2014
  
2013
 
  
  
 
Raw materials
 
$
1,506,000
  
$
1,315,000
 
Work in process
  
917,000
   
232,000
 
Finished goods
  
2,597,000
   
2,147,000
 
  
$
5,020,000
  
$
3,694,000