Employee Benefit Plan (Details) (401K [Member], USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
401K [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, employer matching contribution, percent	50.00%
Defined contribution plan, maximum annual contribution per employee, percent	6.00%
Defined benefit plan, contributions by employer and plan expenses	$ 58,310	$ 72,360	$ 65,495