Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands		Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Unearned ESOP Shares [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance, at Sep. 30, 2016		$ 59	$ 26,270	$ (1,152)	$ (627)	$ 24,334	$ (1,159)	$ 47,725
Balance, shares at Sep. 30, 2016		5,820,746
Net income						935		935
Other comprehensive loss							(151)	(151)
Reclassification of the stranded tax effect related to deferred taxes for:
ESOP shares allocated			14		102			116
Balance, at Jun. 30, 2017		$ 59	26,284	(1,152)	(525)	25,269	(1,310)	$ 48,625
Balance, shares at Jun. 30, 2017		5,820,746						5,820,746
Balance, at Sep. 30, 2017		$ 59	26,289	(1,152)	(492)	25,757	(1,004)	$ 49,457
Balance, shares at Sep. 30, 2017		5,820,746						5,820,746
Net income						1,324		$ 1,324
Other comprehensive loss							(342)	(342)
Reclassification of the stranded tax effect related to deferred taxes for:
Defined benefit pension plan	[1]					177	(177)
Securities available-for-sale	[1]					11	(11)
ESOP shares allocated			16		102			118
Balance, at Jun. 30, 2018		$ 59	$ 26,305	$ (1,152)	$ (390)	$ 27,269	$ (1,534)	$ 50,557
Balance, shares at Jun. 30, 2018		5,820,746						5,820,746

[1] In January 2018, the Company adopted ASU 2018-02, as a result, the Company made a policy election to release income tax effects, as a result of the Tax Act, from AOCI to retained earnings.