Condensed Parent Only Financial Statements - Balance Sheet (Parentheticals) (Details) - $ / shares	Sep. 30, 2016	Sep. 30, 2015
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Preferred stock - par value	$ 0.01	$ 0.01
Preferred stock - authorized	1,000,000	1,000,000
Preferred stock - issued	0	0
Preferred stock - outstanding	0	0
Common stock - par value	$ 0.01	$ 0.01
Common stock - authorized	30,000,000	30,000,000
Common stock - issued	20,557,175	20,184,556
Common stock - outstanding	18,435,218	18,812,803
Treasury stock - shares	2,121,957	1,371,753