Loans and Allowance for Loan Losses - Schedule of Allowance for Loan Losses Methodology (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Beginning balance	$ 3,112,642	$ 3,032,242	$ 3,114,151
Charge-offs	92,446	100,872	319,200
Recoveries	28,254	47,080	95,991
Net charge-offs	64,192	53,792	223,209
Provisions charged to operations	45,000	115,000	141,300
Individually evaluated for impairment	135,994	135,994	304,114
Collectively evaluated for impairment	2,957,456	2,957,456	2,728,128
Balance at end of period	3,093,450	3,093,450	3,032,242
Individually evaluated for impairment	10,711,923	10,711,923	11,011,051
Collectively evaluated for impairment	276,534,604	276,534,604	239,794,330
Balance at end of period	287,246,527	287,246,527	250,805,381
Commercial, Financial And Agricultural [Member]
Beginning balance	169,974	144,781	299,850
Charge-offs	89,052	89,052	263,809
Recoveries	26,007	27,607	42,253
Net charge-offs	63,045	61,445	221,556
Provisions charged to operations	48,019	71,612	66,487
Individually evaluated for impairment	4,744	4,744	0
Collectively evaluated for impairment	150,204	150,204	144,781
Balance at end of period	154,948	154,948	144,781
Individually evaluated for impairment	351,864	351,864	0
Collectively evaluated for impairment	71,949,314	71,949,314	58,173,187
Balance at end of period	72,301,178	72,301,178	58,173,187
Construction Real Estate [Member]
Beginning balance	1,043,083	1,043,083	1,043,083
Charge-offs	0	0	0
Recoveries	0	0	0
Net charge-offs	0	0	0
Provisions charged to operations	0	0	0
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	1,043,083	1,043,083	1,043,083
Balance at end of period	1,043,083	1,043,083	1,043,083
Individually evaluated for impairment	1,473,191	1,473,191	1,012,831
Collectively evaluated for impairment	22,137,604	22,137,604	18,818,239
Balance at end of period	23,610,795	23,610,795	19,831,070
Commercial Real Estate [Member]
Beginning balance	1,192,098	1,192,098	1,192,098
Charge-offs	0	0	0
Recoveries	0	0	0
Net charge-offs	0	0	0
Provisions charged to operations	0	0	0
Individually evaluated for impairment	65,083	65,083	212,283
Collectively evaluated for impairment	1,127,015	1,127,015	979,815
Balance at end of period	1,192,098	1,192,098	1,192,098
Individually evaluated for impairment	4,922,412	4,922,412	5,414,491
Collectively evaluated for impairment	83,684,837	83,684,837	80,362,868
Balance at end of period	88,607,249	88,607,249	85,777,359
Residential Real Estate [Member]
Beginning balance	434,915	381,891	312,822
Charge-offs	3,394	3,394	33,238
Recoveries	1,947	16,994	22,047
Net charge-offs	1,447	(13,600)	11,191
Provisions charged to operations	(4,230)	33,747	80,260
Individually evaluated for impairment	66,167	66,167	91,831
Collectively evaluated for impairment	363,071	363,071	290,060
Balance at end of period	429,238	429,238	381,891
Individually evaluated for impairment	2,300,813	2,300,813	2,896,953
Collectively evaluated for impairment	79,748,503	79,748,503	65,072,166
Balance at end of period	82,049,316	82,049,316	67,969,119
Agricultural Real Estate [Member]
Beginning balance	86,656	86,656	86,656
Charge-offs	0	0	0
Recoveries	0	0	0
Net charge-offs	0	0	0
Provisions charged to operations	0	0	0
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	86,656	86,656	86,656
Balance at end of period	86,656	86,656	86,656
Individually evaluated for impairment	1,660,061	1,660,061	1,682,207
Collectively evaluated for impairment	14,755,694	14,755,694	13,938,059
Balance at end of period	16,415,755	16,415,755	15,620,266
Consumer And Other [Member]
Beginning balance	185,916	183,733	179,642
Charge-offs	0	8,426	22,153
Recoveries	300	2,479	31,691
Net charge-offs	(300)	5,947	(9,538)
Provisions charged to operations	1,211	9,641	(5,447)
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	187,427	187,427	183,733
Balance at end of period	187,427	187,427	183,733
Individually evaluated for impairment	3,582	3,582	4,569
Collectively evaluated for impairment	4,258,652	4,258,652	3,429,811
Balance at end of period	$ 4,262,234	$ 4,262,234	$ 3,434,380