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Note 6. Inventory
6 Months Ended
Jun. 30, 2011
Inventory Disclosure [Text Block]
6.           Inventory

Inventory consists of the following:

   
June 30,
   
December 31,
 
   
2011
   
2010
 
             
Inventory - finished goods
  $ 507,744     $ 539,141  
Inventory - parts
    89,033       78,202  
Total
    596,777       617,343  
Provision for losses and obsolescence
    (148,500 )     (153,700 )
Net inventory
  $ 448,277     $ 463,643