Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 3 months ended Dec. 31, 2016 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Unearned Deferred Compensation	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Sep. 30, 2016		5,260,098
Beginning balance at Sep. 30, 2016	$ 64,544	$ 53	$ 54,963	$ 9,107	$ (193)	$ 614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	940			940
Other comprehensive income (loss), net of tax	(1,666)					(1,666)
Common stock awarded under the equity incentive plan (in shares)		2,500
Common stock awarded under the equity incentive plan	0		28		(28)
Common stock repurchased (in shares)		(1,428)
Common stock repurchased	(16)		(16)
Stock option expense	8		8
Amortization of restricted stock	16				16
Ending balance (in shares) at Dec. 31, 2016		5,261,170
Ending balance at Dec. 31, 2016	$ 63,826	$ 53	$ 54,983	$ 10,047	$ (205)	$ (1,052)