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Concentrations and Credit Risk (Tables) - Jun. 30, 2015
Total
Total
SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS [Table Text Block]
      Three months ended June 30,  
      2014     2015  
  Dongguan Yulong Telecom Technology Co., Ltd $ 6,657,646     13.87%   $  *     *  
  Sichuan Pisen Electronics Co., Ltd   *     *     1,467,419     59.83%  
  BAK Tianjin   *     *     499,290     20.36%  
      Nine months ended June 30,  
      2014     2015  
  Tinno Mobile Techonlogy Company Limited $ 13,278,638     10.88%   $  *     *  
  Guangdong Pisen Electronics Co., Ltd   *     *     2,191,904     25.49%  
  Sichuan Pisen Electronics Co., Ltd   *     *     3,444,317     40.06%  
SCHEDULE OF CUSTOMER ACCOUNTED FOR MORE THAN 10% OF THE COMPANY'S TOTAL TRADE ACCOUNTS RECEIVABLE [Table Text Block]  
      September 30, 2014     June 30, 2015  
  Guangdong Pisen Electronics Co., Ltd. $ 569,444     56.17%   $ 969,049     18.39%  
  Sichuan Pisen Electronics Co., Ltd.   *     *     2,019,876     38.33%  
  Dongguan Juda Electronics Co., Ltd   *     *     1,045,492     19.84%  
  Shenzhen Max Technology Co., Ltd   *     *     653,941     12.41%