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Inventories
3 Months Ended
Mar. 31, 2013
Inventory Disclosure [Abstract]  
Inventories

NOTE 3 — Inventories

 

Inventories consist principally of raw materials and sub-assemblies, which are stated at the lower of cost (first-in, first-out) or market.

   March 31,  December 31,
   2013  2012
Raw materials and sub-assemblies   $958,617   $921,677 
Finished goods    49,422    19,390 
   $1,008,039  $941,067