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Receivables from Former Subsidiaries | 3 Months Ended
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Dec. 31, 2014
Receivables from Former Subsidiaries [Text Block] |
5. | Receivables from Former Subsidiaries
| Receivable from former subsidiaries as of September 30, 2014 and December 31, 2014 consisted of the following:
|  |  | September 30, |  |  | December 31, |
|  |  | 2014 |  |  | 2014 |
| Shenzhen BAK | $ | 1,856,356 |  | $ | 1,857,110 |
| BAK Tianjin |  | 7,261,089 |  |  | 400,838 |
|  |  | 9,117,445 |  |  | 2,257,948 |
| Less: Allowance for doubtful accounts |  | (1,856,356 | ) |  | (1,835,869 | )
|  | $ | 7,261,089 |  | $ | 422,079 |
These amounts are interest-free, unsecured and repayable on demand. These unpaid balance from BAK Tianjin has been settled subsequent to December 31, 2014 primarily in the form of provision of property, plant and equipment to the Company in January 2015. As of September 30, 2014 and December 31, 2014, the Company has provided $1.8 million of allowance for doubtful accounts.

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- Definition Receivables from Former Subsidiaries + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration