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Inventories (Detail) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Inventory Disclosure [Line Items]    
Raw materials $ 124,905 $ 124,905
Finished goods 66,652 124,766
Inventory, Gross, Total 191,557 249,671
Reserve for obsolescence (47,594) (47,594)
Inventories $ 143,963 $ 202,077