Net Loss Per Common Share (Reconciliation of Net Loss Per Share) (Details) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Numerator:
Net loss	$ (5,763,032)	$ (7,332,598)
Preferred stock dividends	(1,034,307)	(1,105,877)
NET LOSS AVAILABLE TO COMMON SHAREHOLDERS	$ (6,797,339)	$ (8,438,475)
Denominator:
Weighted average common shares outstanding - basic	51,666,399	34,770,178
Effect of dilutive securities
Diluted weighted average shares outstanding	51,666,399	34,770,178
Net loss per common share:
Basic	$ (0.13)	$ (0.24)
Diluted	$ (0.13)	$ (0.24)

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

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

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The aggregate value of preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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