Inventories (Detail) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Schedule of Inventory [Line Items]
Finished products	$ 2,152,193	$ 1,032,798
Production materials	205,575	495,693
Total inventories	$ 2,357,768	$ 1,528,491

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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