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Net Deferred Tax Assets and Liabilities (Detail) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Deferred tax assets:
Current
Non-current	6,640,000	5,160,000
Deferred Tax Assets, Gross, Total	6,640,000	5,160,000
Less valuation allowance	(6,640,000)	(5,160,000)
Net deferred income tax asset

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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