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Inventories
3 Months Ended
Mar. 31, 2012
Notes to Financial Statements  
Inventories

 

NOTE 3Inventories

 

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, 
  2012  2011 
Raw materials and sub-assemblies $1,855,665  $1,432,696 
Finished goods  51,019   28,356 
  $1,906,684  $1,461,052