Computation of Net Loss Per Common Share (Details Textual) (Restricted stock units [Member])	3 Months Ended	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Restricted stock units [Member]
Computation of Net Loss Per Common Share (Textual) [Abstract]
Shares awarded to directors that have vested	1,162,465	1,505,564