XML 113 R16.htm IDEA: XBRL DOCUMENT v2.4.0.6
Intangible Assets, net
 12 Months Ended
Sep. 30, 2012
Intangible Assets, net [Text Block]
10

Intangible Assets, net

   
 

Intangible assets as of September 30, 2011 and 2012 consist of the following:

      2011     2012  
  Trademarks, computer software and technology $   591,605   $   1,073,138  
  Less: Accumulated amortization   (296,469 )   (445,075 )
    $   295,136   $   628,063  

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

Amortization expenses for these intangible assets were approximately US$88,000 and US$149,000, for the years ended September 30, 2011 and 2012 respectively. Estimated amortization expense for the next five years is approximately US$141,000 each year.