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Net Loss per Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Earnings Per Share [Abstract]
Net loss applicable to common stockholders-numerator for basic and diluted earnings per share	$ (17,799,351)	$ (42,151,493)
Weighted-average common shares outstanding-denominator for basic earnings per share	77,055,327	56,988,497
Basic and Diluted	$ (0.23)	$ (0.74)

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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

No definition available.

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- Definition

Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256

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- Definition

Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

+ References

No definition available.

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