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Intangible Assets, net | 6 Months Ended
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Mar. 31, 2014
Intangible Assets, net [Text Block] | 8. Intangible Assets, net Intangible assets as of September 30, 2013 and March 31, 2014 consist of the following:
|  | September 30, 2013 |  |  | March 31, 2014 |
Trademarks, computer software and technology | $ | 1,430,756 |  | $ | 1,424,475 |
Accumulated amortization |  | (699,872 | ) |  | (782,368 | )
| $ | 730,884 |  | $ | 642,107 |
Intangible assets represent the trademarks, computer software and technology used for battery production and research. Amortization expenses were $54,149 and $46,279 for the three months ended March 31, 2013 and 2014 and $86,817 and $95,061 for the six months ended March 31, 2013 and 2014, respectively.

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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 Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: 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=26713463&loc=d3e16373-109275 Reference 3: 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=26713463&loc=d3e16265-109275 + Details
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