Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2012	$ 4,293,835	$ 31,701,533	$ 20,663,681	$ (670,246)	$ (26,113,795)	$ 29,875,008
Net Income			$ 2,772,344			2,772,344
Comprehensive income (loss):
Changes in net gain on securities available for sale				$ (844,152)		(844,152)
Changes in net gain on pension plan benefits				$ 126,358		126,358
Cash dividend declared per share			$ (509,567)			(509,567)
Balance at Dec. 31, 2013	$ 4,293,835	$ 31,701,533	22,926,458	$ (1,388,040)	$ (26,113,795)	31,419,991
Net Income			$ 2,903,830			2,903,830
Comprehensive income (loss):
Changes in net gain on securities available for sale				$ 790,107		790,107
Changes in net gain on pension plan benefits				$ 36,762		36,762
Cash dividend declared per share			$ (815,308)			(815,308)
Balance at Dec. 31, 2014	$ 4,293,835	$ 31,701,533	25,014,980	$ (561,171)	$ (26,113,795)	34,335,382
Net Income			$ 3,373,635			3,373,635
Comprehensive income (loss):
Changes in net gain on securities available for sale				$ 88,951		88,951
Changes in net gain on pension plan benefits				$ (681,143)		(681,143)
Cash dividend declared per share			$ (1,019,135)			(1,019,135)
Balance at Dec. 31, 2015	$ 4,293,835	$ 31,701,533	$ 27,369,480	$ (1,153,363)	$ (26,113,795)	$ 36,097,690