Significant Components of Deferred Income Tax Assets (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred income tax assets:
Net operating loss carryforward	$ 5,744,674	$ 4,786,510
Unrealized intercompany profit in inventory	25,178	24,948
Accrued R&D expenses	121,240	0
Less: Valuation allowance	(5,744,674)	(4,786,510)
Deferred Tax Assets, Net of Valuation Allowance, Current, Total	$ 146,418	$ 24,948