Net Loss per Share (Narrative) (Details) (USD $)	3 Months Ended
	Dec. 31, 2012
Net Loss Per Share 2	$ 25,224,918
Net Loss Per Share 3	$ 1,819,754
Net Loss Per Share 4	12,619,597
Net Loss Per Share 5	12,619,049
Net Loss Per Share 6	791,671
Net Loss Per Share 7	35,000
Net Loss Per Share 8	828,631
Net Loss Per Share 9	60,000