Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 1,342	$ 937	$ 3,533	$ 2,170
Adjustments to reconcile net income to net cash provided by operations:
Depreciation and amortization			511	545
Provision for loan losses	24	40	371	575	$ 1,142
Amortization of premium on securities, net			327	351
Amortization of discount on subordinated notes			23	23
Gains on sales of loans held for sale			(421)	(516)
Losses on sales and writedowns of other real estate, net	2		160	380
Gains on sales of investment securities			(60)	(60)
Increase in value of life insurance contracts			(152)	(146)
Income from life insurance benefit			(642)
Stock compensation expense			159	109
Originations of loans held for sale			(21,728)	(24,759)
Proceeds from sales of loans held for sale			22,358	24,940
Changes in assets and liabilities:
Accrued income			42	(330)
Other assets			104	(222)
Deferred taxes, net			(257)	(71)
Accrued interest payable			188	122
Other liabilities			538	227
Net cash flows provided by operating activities			5,054	3,338
Cash flows from investing activities:
Net increase in federal funds sold			(13)	(90)
Purchases of available for sale securities			(900)	(18,099)
Sales, maturities, and calls of available for sale securities			8,986	17,436
Redemption (purchase) of restricted equity securities, net			12	(158)
Net increase in loans			(23,027)	(17,074)
Purchase of other real estate at foreclosure				(274)
Proceeds from sales of other real estate			590	876
Purchase of bank owned life insurance				(500)
Death benefit from bank owned life insurance			1,316
Supplemental executive retirement plan payments			(6)
Purchases of property and equipment			(670)	(272)
Net cash flows used in investing activities			(13,712)	(18,155)
Cash flows from financing activities:
Net increase in noninterest-bearing deposits			14,642	18,895
Net increase (decrease) in interest-bearing deposits			(8,465)	9,201
Net increase (decrease) in FHLB borrowings			(300)	3,361
Net decrease in other borrowings			(210)	(125)
Distribution of equity of noncontrolling interest			(204)
Common stock cash dividends paid			(464)
Exercise of stock options			91	28
Net settlement of vested restricted stock			(20)	(17)
Net cash flows provided by financing activities			5,070	31,343
Net increase (decrease) in cash and cash equivalents			(3,588)	16,526
Cash and cash equivalents, beginning			21,714	18,229	18,229
Cash and cash equivalents, ending	$ 18,126	$ 34,755	18,126	34,755	$ 21,714
Supplemental disclosure of cash flow information:
Cash payments for interest			2,455	2,122
Cash payments for income taxes			790	1,211
Supplemental disclosure of noncash investing and financing activities:
Transfer from loans to other real estate owned			697	750
Change in unrealized gains and losses on available for sale securities			$ (1,287)	$ 247