Other Comprehensive Income (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Accumulated other comprehensive income
Defined benefit pension liability	$ 670,712		$ 670,712		$ 994,156
Balance at beginning of period			30,383	$ 573,560
Other comprehensive income (loss) before reclassification adjustments			428,540	191,590
Amounts reclassified from comprehensive loss			(3,319)	(292,504)
Other comprehensive income (loss)	288,601	$ 6,436	425,221	(100,914)
Balance at end of period	455,604	472,646	455,604	472,646
Net AFS debt securities gain	178,858	224,056	403,265	878,312
Reclassification adjustments Before Tax		(213,571)	(5,521)	(486,534)
Other comprehensive income Before Tax	(178,858)		397,744	391,778
Net actuarial losses Before Tax	285,369		285,369	(558,690)
Unrealized (loss) gain on defined benefit pension plan	285,369		285,369	(558,690)
Other comprehensive loss Before Tax	(464,227)	10,485	683,113	(166,912)
Net AFS debt securities income Tax	(67,186)	(89,221)	(151,654)	(348,407)
Reclassification adjustments, Tax		85,172	2,202	194,030
Unrealized income on AFS debt securities: Net gain recognized in other comprehensive gain, Tax	(67,186)	(4,049)	(149,452)	(154,377)
Net actuarial losses, Tax	(108,440)		(108,440)	220,375
Net loss recognized in other comprehensive loss, Tax	(108,440)		(108,440)	220,375
Other comprehensive gain (loss), Tax	(175,626)	(4,049)	(257,892)	65,998
Net AFS debt securities income, Net of Tax	111,672	134,835	251,611	529,905
Reclassification adjustment for securities gains included in income		(128,399)	(3,319)	(292,504)
Net effect on other comprehensive income	111,672	6,436	248,292	237,401
Net actuarial losses	176,929		176,929	(338,315)
Net effect on other comprehensive income	176,929		176,929	(338,315)
Unrealized Gains On Investments Available For Sale [Member]
Accumulated other comprehensive income
Balance at beginning of period			(202,262)	168,814
Other comprehensive income (loss) before reclassification adjustments			251,611	529,905
Amounts reclassified from comprehensive loss			(3,319)	(292,504)
Other comprehensive income (loss)			248,292	237,401
Balance at end of period	46,030	406,215	46,030	406,215
Defined Benefit Pension Plan [Member]
Accumulated other comprehensive income
Balance at beginning of period			232,645	404,746
Other comprehensive income (loss) before reclassification adjustments			176,929	(338,315)
Other comprehensive income (loss)			176,929	(338,315)
Balance at end of period	$ 409,574	$ 66,431	$ 409,574	$ 66,431