CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Unearned Stock Compensation	Treasury Stock	Noncontrolling Interests in Subsidiary
Balances at Sep. 30, 2017	$ 93,115	$ 25	$ 27,798	$ 67,583	$ 4,158	$ (571)	$ (5,878)	$ 0
Net income	3,493	0	0	3,406	0	0	0	87
Other comprehensive loss	(1,016)	0	0	0	(1,016)	0	0	0
Common stock dividends	(315)	0	0	(315)	0	0	0	0
Restricted stock grants	0	1	84	0	0	(85)	0	0
Stock compensation expense	54	0	17	0	0	37	0	0
Stock option exercises	122	0	(27)	0	0	0	149	0
Purchase of treasury shares	(46)	0	0	0	0	0	(46)	0
Balances at Dec. 31, 2017	95,407	26	27,872	70,674	3,142	(619)	(5,775)	87
Balances at Sep. 30, 2018	100,245	26	27,630	76,523	382	(479)	(5,269)	1,432
Net income	3,104	0	0	2,931	0	0	0	173
Other comprehensive loss	1,390	0	0	0	1,390	0	0	0
Common stock dividends	(345)	0	0	(345)	0	0	0	0
Distributions to noncontrolling interests	(12)	0	0	0	0	0	0	(12)
Restricted stock grants	0	0	141	0	0	(141)	0	0
Stock compensation expense	59	0	19	0	0	40	0	0
Stock option exercises	152	0	(44)	0	0	0	196	0
Purchase of treasury shares	(32)	0	0	0	0	0	(32)	0
Balances at Dec. 31, 2018	$ 104,561	$ 26	$ 27,746	$ 79,109	$ 1,772	$ (580)	$ (5,105)	$ 1,593