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Concentrations and Credit Risk
3 Months Ended
Dec. 31, 2016
Concentrations and Credit Risk [Text Block]
20.

Concentrations and Credit Risk


  (a)

Concentrations

The Company had the following customers that individually comprised 10% or more of net revenue for the three months ended December 31, 2015 and  2016 as follows:

      Three months ended December 31,  
      2015     2016  
  Customer A $ 2,436,471     44.29%   $  *     *  
  Customer B   1,202,286     21.86%     *     *  
  Customer C   947,653     17.23%     *     *  
  Tianjin New Energy (note 12)   *     *     2,352,577     67.21%  
  Customer D   *     *     559,646     15.99%  

* Comprised less than 10% of net revenue for the respective period.

The Company had the following customers that individually comprised 10% or more of accounts receivable as of September 30, 2016 and December 31, 2016 as follows:

      September 30, 2016     December 31, 2016  
  Customer A $ 1,529,703     64.21%   $ 1,286,206     52.11%  
  Customer D   *     *     857,180     34.73%  

* Comprised less than 10% of accounts receivable as of the end of the respective period.

For the three months ended December 31, 2015 and 2016, the Company recorded the following transactions:

      Three months ended December 31,  
      2015     2016  
  Purchase of inventories from            
     BAK Tianjin $ 3,044,905   $   -  
     Shenzhen BAK   5,344     1,547,424  
  Sales of finished goods to            
     BAK Tianjin   341,230     7,296  
     Shenzhen BAK   -     30,601  
     Zhengzhou BAK Battery Co., Ltd*   -     2,693  
               
  Sales of raw materials to            
     Shenzhen BAK   598,319     -  

*Mr. Xiangqian Li, the former CEO, is a director of this company.

  (b)

Credit Risk

Financial instruments that potentially subject the Company to a significant concentration of credit risk consist primarily of cash and cash equivalents and pledged deposits. As of September 30, 2016 and December 31, 2016, substantially all of the Company’s cash and cash equivalents were held by major financial institutions located in the PRC, which management believes are of high credit quality.

For the credit risk related to trade accounts receivable, the Company performs ongoing credit evaluations of its customers and, if necessary, maintains reserves for potential credit losses. Historically, such losses have been within management’s expectations.