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Note 3 - Inventories, net
12 Months Ended
Dec. 31, 2011
Inventory Disclosure [Text Block]
(3)
Inventories, net

 
Inventories consisted of the following at December 31, 2011 and 2010:

   
2011
   
2010
 
             
Finished goods
  $ 19,018     $ 19,096  
Component parts
    9,122       9,999  
Allowance for inventory obsolescence
    (1,660 )     (2,007 )
                 
    $ 26,480     $ 27,088  

 
Inventory is determined using the first-in, first-out method and is recorded at the lower of cost or market value.  The inventory balance is comprised of purchased raw materials or finished goods at their respective purchase costs; labor, assembly and other capitalizable overhead costs, which are then applied to each unit completed; retained costs representing the excess of manufacturing and other overhead costs that are not yet applied to finished goods; and an estimated allowance for obsolete inventory.   At December 31, 2011 and 2010, inventories included $1,187,000 and $797,000 of consigned inventory, respectively.