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2. Inventory (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Inventory Details
Raw materials	$ 1,631,343	$ 2,077,779
Work-in-progress	2,012,925	1,672,957
Finished goods	617,048	805,044
Total inventory	$ 4,261,316	$ 4,555,780

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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