Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash Flows from Operating Activities
Net income	$ 814,024	$ 1,261,098
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	246,658	238,493
Provision for loan losses	575,000	442,500
Provision for deferred income taxes	681,827	368,437
Net amortization of premiums and discounts on securities	470,371	652,687
Loss (gain) on sale of securities, net	29,113	(5,157)
Origination of mortgage loans held for sale	(21,980,249)	(18,591,944)
Proceeds from sale of mortgage loans held for sale	22,482,700	18,796,312
Gain on sale of loans, net	(696,754)	(509,440)
Origination and purchase of mortgage servicing rights, net of amortization	(71,978)	(65,617)
Gain on sale of foreclosed real estate, net	(44,773)	(188,207)
Write down of foreclosed real estate		28,551
Gain on sale of repossessed assets, net	(14,686)	(5,765)
ESOP compensation expense	256,849	195,949
MRP compensation expense		3,751
Compensation expense on RRP options granted		5,024
Amortization of core deposit intangible	73,000	92,000
Amortization (accretion) of fair value adjustments on acquired:
Loans	193,787	115,153
Certificates of deposit	(14,000)	(65,000)
Federal Home Loan Bank Advances	6,945	4,513
Increase in cash surrender value of life insurance	(48,222)	(50,154)
Change in assets and liabilities:
Increase in accrued interest receivable	(8,965)	(9,843)
Increase in other assets	(679,346)	(503,535)
Increase in accrued interest payable and other liabilities	667,852	148,128
Net cash provided by operating activities	2,939,153	2,362,650
Cash Flows from Investing Activities
Purchases	(1,308,450)	(7,198,060)
Sales, calls, maturities and paydowns	19,423,687	8,369,187
(Purchase) sale of non-marketable equity securities	(165,066)	604,800
Net increase in loans	(47,572,782)	(21,199,271)
Net decrease (increase) in federal funds sold	751,000	(86,000)
Proceeds from sale of foreclosed real estate	292,106	490,062
Proceeds from sale of repossessed assets	73,786	78,643
Purchase of premises and equipment	(72,840)	(24,352)
Net cash used in investing activities	(28,578,559)	(18,964,991)
Cash Flows from Financing Activities
Net increase (decrease) in deposits	10,241,603	(4,122,887)
Proceeds from Federal Home Loan Bank advances	16,000,000	10,000,000
Principal reduction of Federal Home Loan Bank advances	(2,022,811)	(11,022,477)
Proceeds from stock offering including shares purchased by ESOP, net of expenses		22,337,869
Proceeds from stock options exercised	7,140	127,926
Loan to ESOP to purchase Company stock in stock offering		(1,907,160)
Shares repurchased and cancelled	(253,932)
Dividends paid	(523,426)
Net cash provided by financing activities	23,448,574	15,413,271
Net decrease in cash and cash equivalents	(2,190,832)	(1,189,070)
Cash and cash equivalents:
Beginning of period	5,946,649	7,135,719
End of period	3,755,817	5,946,649
Supplemental Disclosures of Cash Flow Information
Income taxes paid, net of refunds received	836,395
Supplemental Schedule of Noncash Investing and Financing Activities
Real estate acquired through or in lieu of foreclosure	302,356	235,190
Other assets acquired in settlement of loans	56,600	58,500
Sale of foreclosed real estate through loan origination	3,923	128,000
Increase in ESOP put option liability	394,385	431,086
Interest Paid to Depositors [Member]
Supplemental Disclosures of Cash Flow Information
Interest paid	962,805	820,486
Interest Paid on Borrowings [Member]
Supplemental Disclosures of Cash Flow Information
Interest paid	$ 81,625	$ 36,127