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Construction in Progress (Tables)
 12 Months Ended
Sep. 30, 2015
Schedule of Construction in Progress [Table Text Block]
      2014     2015  
  Construction in progress $ 21,760,746   $ 13,009,922  
  Prepayment for acquisition of property, plant and equipment   426,569     29,451  
  Carrying amount $ 22,187,315   $ 13,039,373