Loans and Allowance for Loan Losses (Details 4) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Activity in the allowance for loan losses by portfolio segment
Beginning Balance	$ 4,007,464	$ 3,927,515	$ 3,875,398	$ 3,851,617
Charge-offs	(12,794)	(83,276)	(115,887)	(85,649)
Recoveries	11,260	22,720	116,339	68,491
Provisions	100,000	20,000	230,000	52,500
Ending Balance	4,105,930	3,886,959	4,105,930	3,886,959
Commercial Loans [Member]
Activity in the allowance for loan losses by portfolio segment
Beginning Balance	1,343,760	1,628,672	1,403,588	1,545,188
Charge-offs			(31,250)
Recoveries	11,000		13,500
Provisions	146,752	403,920	115,674	487,404
Ending Balance	1,501,512	2,032,592	1,501,512	2,032,592
Commercial Real Estate Construction [Member]
Activity in the allowance for loan losses by portfolio segment
Beginning Balance	29,091	52,763	23,638	51,469
Provisions	4,404	(7,235)	9,857	(5,941)
Ending Balance	33,495	45,528	33,495	45,528
Commercial Real Estate Other [Member]
Activity in the allowance for loan losses by portfolio segment
Beginning Balance	972,038	1,382,919	1,549,755	1,374,706
Recoveries			56,827
Provisions	10,334	(209,108)	(624,210)	(200,895)
Ending Balance	982,372	1,173,811	982,372	1,173,811
Consumer Real Estate [Member]
Activity in the allowance for loan losses by portfolio segment
Beginning Balance	589,051	771,853	796,918	726,391
Charge-offs		(80,787)		(80,786)
Recoveries		21,000	45,412	63,000
Provisions	(84,365)	(150,697)	(337,644)	(147,236)
Ending Balance	504,686	561,369	504,686	561,369
Consumer Other [Member]
Activity in the allowance for loan losses by portfolio segment
Beginning Balance	1,073,524	91,308	101,499	153,863
Charge-offs	(12,794)	(2,489)	(84,637)	(4,863)
Recoveries	260	1,720	680	5,491
Provisions	22,875	(16,880)	1,066,323	(80,832)
Ending Balance	$ 1,083,865	$ 73,659	$ 1,083,865	$ 73,659