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Note 4. Equipment and Improvements (Tables)
12 Months Ended
Sep. 30, 2012
Property, Plant and Equipment [Table Text Block]
   
September 30,
 
   
2012
   
2011
 
Furniture and fixtures
  $ 1,471     $ 1,052  
Purchased software
    866       817  
Computers and equipment
    2,882       2,583  
Leasehold improvements
    1,791       622  
Total cost
    7,010       5,074  
Less accumulated depreciation
    (4,275 )     (3,295 )
Equipment and improvements, net
  $ 2,735     $ 1,779