Net Loss Per Share (Computation of Basic and Diluted EPS) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net loss per common share:
Numerator for basic EPS	$ 856,216	$ 22,670	$ (1,941,479)	$ (4,139,848)	$ (3,962,208)	$ (56,868,442)	$ (3,006,792)	$ (4,920,147)	$ (5,202,441)	$ (68,757,589)	$ (9,238,427)
Numerator for diluted EPS									$ (5,202,441)	$ (68,757,589)	$ (9,238,427)
Denominator for basic EPS - weighted average shares									19,945,038	11,554,566	6,944,928
Denominator for diluted EPS									19,945,038	11,554,566	6,944,928
Basic EPS	$ 0.04	$ 0.00	$ (0.10)	$ (0.21)	$ (0.23)	$ (4.49)	$ (0.37)	$ (0.61)	$ (0.26)	$ (5.95)	$ (1.33)
Diluted EPS	$ 0.04	$ 0.00	$ (0.10)	$ (0.21)	$ (0.23)	$ (4.49)	$ (0.37)	$ (0.61)	$ (0.26)	$ (5.95)	$ (1.33)