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Inventory
12 Months Ended
Dec. 31, 2012
Notes to Financial Statements  
Note 3. Inventory

Inventories, consisting of materials, labor, and manufacturing overhead, are stated at the lower of cost (first-in, first-out) or market and consist of the following at December 31:

 

   2012  2011
Raw materials   $3,988,000   $4,431,000 
Work-in-process    2,000    144,000 
Finished goods    587,000    644,000 
Reserve for obsolescence    (2,374,000)   (1,183,000)
   $2,203,000   $4,036,000 

Inventory reserve charged to operations amounted to $1,436,000 and $845,000 during 2012 and 2011, respectively. Inventory valuation adjustments and other inventory write-offs in 2012 and 2011 amounted to $245,000 and $291,000, respectively.