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Inventories
6 Months Ended
Jun. 30, 2012
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:

June 30,
December 31,
2012
2011
 
 
Raw materials
$
1,280,000
$
1,503,000
Work in process
761,000
790,000
Finished goods
1,067,000
1,025,000
$
3,108,000
$
3,318,000