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Inventories
 9 Months Ended
Jun. 30, 2015
Inventories [Text Block]
3.

Inventories

Inventories as of September 30, 2014 and June 30, 2015 consisted of the following:

      September 30,     June 30,  
      2014     2015  
  Raw materials $ 9,187   $ 52,269  
  Finished goods   2,638,911     3,952,210  
    $ 2,648,098   $ 4,004,479  

During the three months ended June 30, 2014 and 2015, write-downs of obsolete inventories to lower of cost or market of $3,105,534 and nil, respectively, were charged to cost of revenues.

During the nine months ended June 30, 2014 and 2015, write-downs of obsolete inventories to lower of cost or market of $8,752,543 and nil, respectively, were charged to cost of revenues.