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Prepayments and Other Receivables (Tables) | 6 Months Ended
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Mar. 31, 2014
SCHEDULE OF PREPAYMENTS AND OTHER RECEIVABLES [Table Text Block] |
|  | Note |  |  | September 30, 2013 |  |  | March 31, 2014 |
Prepayments for raw materials and others |  |  |  | $ | 3,466,177 |  | $ | 1,637,881 |
Staff advances |  |  |  |  | 701,923 |  |  | 985,344 |
Prepaid operating expenses |  |  |  |  | 292,049 |  |  | 129,294 |
Advance to an unrelated third party |  | (a) |  |  | 1,169,798 |  |  | 3,204,102 |
Advance to a related party |  | (b) |  |  | 885,052 |  |  | 2,287,903 |
Consideration receivable |  | (c) |  |  | 6,483,507 |  |  | 6,384,215 |
Net assets of BAK Canada held by trustee |  | (d) |  |  | 1,043,833 |  |  | 1,297,937 |
Value added tax recoverable |  |  |  |  | 4,295,390 |  |  | 3,796,135 |
Rental receivable from Research and Development Test Centre |  |  |  |  | 37,239 |  |  | 338,125 |
Others |  |  |  |  | 1,371,790 |  |  | 1,610,349 |
|  |  |  |  | 19,746,758 |  |  | 21,671,285 |
Less: Allowance for doubtful accounts |  |  |  |  | (1,980,914 | ) |  | (1,939,655 | )
|  |  |  | $ | 17,765,844 |  | $ | 19,731,630 |
SCHEDULE OF ANALYSIS OF ALLOWANCE FOR DOUBTUFL ACCOUNTS FOR OTHER RECEIVABLES [Table Text Block] |
|  | Six months ended March 31, 2014 |
Balance at beginning of the period | $ | 1,980,914 |
Provision for the period |  | 20,667 |
Recovery for the period |  | (31,805 | )
Foreign exchange adjustment |  | (30,121 | )
Balance at end of the period | $ | 1,939,655 |

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- Definition SCHEDULE OF ANALYSIS OF ALLOWANCE FOR DOUBTUFL ACCOUNTS FOR OTHER RECEIVABLES + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
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Period Type: | duration

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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