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Inventory (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 8,571,406	$ 9,159,004
Work-in-process	95,992	462,832
Finished goods	843,921	732,871
Inventory	$ 9,511,319	$ 10,354,707

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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