Change in Fair Value of Warrant (Detail) (USD $)	12 Months Ended
Dec. 31, 2012
Derivative [Line Items]
Balance at December 31, 2011	$ 80,357
Mark to Market	31,454
Balance at December 31, 2012	$ 111,811

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of after one year or beyond the normal operating cycle, if longer, net of the effects of master netting arrangements.

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+ Details