Inventories (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Summary of inventory, net
Raw materials	$ 720,274	$ 538,465
Finished goods	337,425	402,458
Work in pogress	199,983	242,748
Packaging material	41,377	45,809
Inventory allowance	(42,028)	(41,585)
Total Inventories	$ 1,257,031	$ 1,187,895

Certain changes made in the current period to the value and amount of inventory reported.

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Amount before last-in first-out (LIFO) and valuation reserves of merchandise or goods held by the entity that are readily available for sale.

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Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer).

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Gross amount of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product.

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