Significant Components of Deferred Income Tax Assets (Detail) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Schedule of Deferred Tax Assets and Liabilities [Line Items]
Net operating loss carry forward	$ 5,270,325	$ 4,786,510
Unrealized intercompany profit in inventory	20,429	24,948
Accrued R&D expenses	34,338	0
Less: Valuation allowance	(5,270,325)	(4,786,510)
Deferred income tax assets	$ 54,767	$ 24,948