Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities
Net income	$ 360,591	$ 5,295,127
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	677,551	606,918
Stock dividend on financial institution stock	(53,600)	(21,014)
Loss on sale and impairments of other real estate	0	89,779
Amortization of premiums and discounts on securities, net	413,090	554,513
Amortization of ESOP award	78,737	48,700
Amortization of stock-based compensation	24,699	0
Amortization of core deposit intangible	62,268	79,848
Loss on sale of available-for-sale securities	176,089	0
Gain on sale of loans	(11,450,457)	(10,687,005)
Proceeds from sale of loans held for sale	276,322,001	280,672,817
Funding of loans held for sale	(254,247,735)	(267,072,214)
Provision for loan losses	575,000	1,019,000
Net appreciation on bank-owned life insurance	(154,504)	(126,154)
Deferred income tax expense (benefit)	2,191,457	(4,228,571)
Changes in operating assets and liabilities:
Accrued interest receivable	(48,875)	(91,181)
Income taxes receivable	0	(41,019)
Prepaid and other assets	(638,832)	204,641
Accrued interest and other liabilities	1,138,205	615,948
Net cash provided by operating activities	15,425,685	6,920,133
Cash flows from investing activities
Proceeds from principal payments on available-for-sale securities	5,823,104	6,711,717
Proceeds from sales of available-for-sale securities	6,933,361	0
Purchases of available-for-sale securities	(6,102,485)	(10,370,646)
Net change in loans held for investment	(28,897,562)	(55,956,151)
Purchases of premises and equipment	(684,986)	(919,060)
Purchase of bank owned life insurance	(4,500,000)	0
Purchases of stock in financial institutions	(197,200)	(2,007,200)
Net proceeds from sales of other real estate	0	411,778
Net cash (used for) investing activities	(27,625,768)	(62,129,562)
Cash flows from financing activities
Net change in deposits	11,039,330	(1,178,311)
Net change in escrows	(18,327)	37,804
Issuance of common stock	55,314	15,936,416
Common stock repurchases	(414,400)	0
Net change in Federal Home Loan Bank advances	(5,000,000)	37,000,000
Net cash provided by financing activities	5,661,917	51,795,909
Net (decrease) in cash and cash equivalents	(6,538,166)	(3,413,520)
Cash and cash equivalents, beginning of period	16,411,344	19,824,864
Cash and cash equivalents, end of period	9,873,178	16,411,344
Supplemental disclosures:
Interest on deposits and advances paid	2,264,168	1,684,054
Income taxes paid	88,696	98,000
Noncash investing and financing activities:
Transfers of loans to other real estate	$ 0	$ 195,558