CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Gain	Total
Balances at Dec. 31, 2017	$ 2,801,000	$ 10,267,000	$ 21,605,000	$ (631,000)	$ 34,042,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			1,172,000		1,172,199
Cash dividends, $0.30 per share			(841,000)		(841,000)
Dividends reinvested under dividend reinvestment plan	10,000	101,000			111,000
Other comprehensive income (loss)				(1,140,000)	(1,140,000)
Balances at Sep. 30, 2018	2,811,000	10,368,000	21,936,000	(1,771,000)	33,344,000
Balances at Dec. 31, 2018	2,814,000	10,401,000	22,066,000	(1,230,000)	34,051,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			1,060,000		1,059,823
Cash dividends, $0.30 per share			(846,000)		(846,000)
Dividends reinvested under dividend reinvestment plan	10,000	94,000			104,000
Other comprehensive income (loss)				999,000	999,000
Balances at Sep. 30, 2019	$ 2,824,000	$ 10,495,000	$ 22,280,000	$ (231,000)	$ 35,368,000