Common Stock and Stock Compensation - Stock Option Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Summary of the option activity additional disclosures
Shares issued due to stock option exercises	0	100	18,000
Proceeds due to stock option exercises	$ 0	$ 0	$ 45
Tax benefit from stock option exercises	0	0	0
Intrinsic value of stock options exercised	$ 0	$ 0	$ 280