(1) Summary of Significant Accounting Policies (Details 1) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Basic EPS
Net Loss (Numerator)	$ (3,568,051)	$ (5,398,176)	$ (12,638,045)	$ (17,253,479)
Shares (Denominator)	47,542,304	46,779,040	47,353,922	46,563,004
Basic net loss per share (in dollars per share)	$ (0.08)	$ (0.12)	$ (0.27)	$ (0.37)
Diluted EPS
Net Loss (Numerator)	$ (3,568,051)	$ (5,398,176)	$ (12,638,045)	$ (17,253,479)
Diluted Shares Outstanding	47,542,304	46,779,040	47,353,922	46,563,004
Diluted net loss per share (in dollars per share)	$ (0.08)	$ (0.12)	$ (0.27)	$ (0.37)