Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Tax benefit (provision) at U.S. statutory rate	$ (7,016)	$ (4,273)	$ 9,019
State income taxes, net of federal tax effect	(1,973)	(1,934)	(1,717)
Valuation allowance	7,994	3,955	(8,913)
Non-deductible executive compensation	(1,242)	0	0
Unrecognized tax benefits	101	(1,245)	1,268
Other	(1,438)	(427)	(318)
Income tax provision	$ (3,574)	$ (3,924)	$ (661)