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Intangible Assets, net | 12 Months Ended
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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.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44, 45, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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