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Loss Per Share (Computation for Basic and Diluted Loss Per Share) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Numerator:
Net loss	$ (3,138,915)	$ (1,297,154)	$ (6,643,411)	$ (2,121,458)
Numerator for basic and diluted earnings per share	$ (3,138,915)	$ (1,297,154)	$ (6,643,411)	$ (2,121,458)
Denominator:
Denominator for basic and diluted earnings per share — weighted-average shares	38,732,793	32,798,010	38,726,196	32,797,819
Basic and diluted loss per share	$ (0.08)	$ (0.04)	$ (0.17)	$ (0.06)

The amount of net income (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.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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