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Inventories (Details) (USD $)	Mar. 31, 2013	Sep. 30, 2012
Composition of inventories
Raw materials	$ 993,186	$ 1,026,250
Work in progress	41,669	43,828
Finished goods	302,480	253,761
Total inventory	1,337,335	1,323,839
Less: current portion	(428,969)	(415,475)
Non-current portion	$ 908,366	$ 908,364

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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