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Inventories
12 Months Ended
Sep. 30, 2013
Inventories [Text Block]
5.

Inventories

   
 

Inventories as of September 30, 2012 and 2013 consisted of the following:


      2012     2013  
               
  Raw materials $ 19,999,192   $ 9,732,211  
  Work-in-progress   13,912,685     9,220,019  
  Finished goods   31,471,952     38,322,957  
    $ 65,383,829   $ 57,275,187  

During the years ended September 30, 2012 and 2013, obsolete inventory write-downs to lower of cost or market of $9,702,373 and $59,584,817, respectively, were charged to cost of revenue.