XML 49 R16.htm IDEA: XBRL DOCUMENT v2.4.0.6
Intangible Assets, net
12 Months Ended
Sep. 30, 2011
Intangible Assets, net [Text Block]
10

Intangible Assets, net

   
 

Intangible assets as of September 30, 2010 and 2011 consist of the following:


      2010     2011  
  Trademarks, computer software and technology $  406,264   $  591,605  
  Less: Accumulated amortization   (221,897 )   (296,469 )
    $  184,367   $  295,136  

 

Intangible assets represent the trademarks, computer software and technology used for battery production and research.

   
 

Amortization expenses for these intangible assets were approximately US$63,000, US$72,000 and US$88,000 for the years ended September 30, 2009, 2010 and 2011 respectively. Estimated amortization expense for the next five years is approximately US$89,000 each year.