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Net (Loss) Income Per Share of Common Stock - Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)	3 Months Ended		130 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014
Earnings Per Share [Abstract]
Net (loss) income	$ (5,101,850)	$ 459,687	$ (68,377,259)
(Loss) income per share-basic	$ (0.30)	$ 0.49
(Loss) income per share-diluted	$ (0.30)	$ 0.04
Weighted-average number of shares-basic	17,232,566	930,529
Weighted-average number of shares-diluted	17,232,566	11,128,733

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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