Consolidated Statements of Stockholders' Equity - USD ($)	MRP Stock Awards [Member] Common Stock [Member]	MRP Stock Awards [Member] Additional Paid-in Capital [Member]	MRP Stock Awards [Member] Retained Earnings [Member]	MRP Stock Awards [Member] Unallocated ESOP Shares [Member]	MRP Stock Awards [Member] Unearned MRP Shares [Member]	MRP Stock Awards [Member] AOCI Attributable to Parent [Member]	MRP Stock Awards [Member] Treasury Stock [Member]	MRP Stock Awards [Member] Maximum Cash Obligation Related To ESOP Shares [Member]	MRP Stock Awards [Member]	RRP Stock Options [Member] Common Stock [Member]	RRP Stock Options [Member] Additional Paid-in Capital [Member]	RRP Stock Options [Member] Retained Earnings [Member]	RRP Stock Options [Member] Unallocated ESOP Shares [Member]	RRP Stock Options [Member] Unearned MRP Shares [Member]	RRP Stock Options [Member] AOCI Attributable to Parent [Member]	RRP Stock Options [Member] Treasury Stock [Member]	RRP Stock Options [Member] Maximum Cash Obligation Related To ESOP Shares [Member]	RRP Stock Options [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Unallocated ESOP Shares [Member]	Unearned MRP Shares [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Maximum Cash Obligation Related To ESOP Shares [Member]	Total
Balance at Dec. 31, 2015																			$ 30,010	$ 15,845,341	$ 16,194,374	$ (203,504)	$ (3,751)	$ 437,925	$ (1,212,118)	$ (376,543)	$ 30,711,734
Net income																					1,261,098						1,261,098
Other comprehensive income (loss)																								(368,701)			(368,701)
Allocation of ESOP																				17,933		178,016					195,949
Compensation expense on awards granted					$ 3,751				$ 3,751		$ 5,024							$ 5,024
RRP options exercised										175	127,751							127,926
Change related to ESOP shares cash obligation																										(431,086)	(431,086)
Stock offering proceeds, net of offering expenses of $1,627,317																			4,489	21,121,262		(1,907,160)			1,212,118		20,430,709
Balance at Dec. 31, 2016																			34,674	37,117,311	17,455,472	(1,932,648)		69,224		(807,629)	51,936,404
Net income																					814,024						814,024
Other comprehensive income (loss)																								58,247			58,247
Allocation of ESOP																				78,833		178,016					256,849
RRP options exercised										$ 20	$ 7,120							$ 7,140
Change related to ESOP shares cash obligation																										(394,385)	(394,385)
TCJA, reclassification between accumulated other comprehensive income and retained earnings																					(25,108)			25,108
Cash dividends paid, $0.16 per share																					(523,426)						(523,426)
Repurchase 17,600 shares																			(176)	(253,756)							(253,932)
Balance at Dec. 31, 2017																			$ 34,518	$ 36,949,508	$ 17,720,962	$ (1,754,632)		$ 152,579		$ (1,202,014)	$ 51,900,921