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Inventories
3 Months Ended
Dec. 31, 2016
Inventories [Text Block]
4.

Inventories

Inventories as of September 30, 2016 and December 31, 2016 consisted of the following:

      September 30,     December 31,  
      2016     2016  
  Raw materials $ 3,760,481   $ 2,570,942  
  Work in progress   2,153,945     1,333,949  
  Finished goods   10,625,826     13,190,031  
    $ 16,540,252   $ 17,094,922  

During the three months ended December 31, 2015 and 2016, write-downs of obsolete inventories to lower of cost or market of $142,125 and $414,919, respectively, were charged to cost of revenues.