Quarterly report pursuant to sections 13 or 15(d)

Inventories (Details)

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Inventories (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Components of inventories    
Raw materials $ 1,564,110 $ 1,708,642
Finished goods 1,296,986 2,163,820
Gross inventories 2,861,096 3,872,462
Less: inventory reserve (1,524,419) (895,415)
Net inventories $ 1,336,677 $ 2,977,047