Loans and Allowance for Loan Losses - Schedule of Allowance for Loan Losses Methodology (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Beginning balance	$ 3,032,242	$ 3,114,151
Charge-offs	8,426	319,200
Recoveries	12,181	95,991
Net charge-offs	(3,755)	223,209
Provisions charged to operations	30,000	141,300
Individually evaluated for impairment	160,053	304,114
Collectively evaluated for impairment	2,905,944	2,728,128
Balance at end of period	3,065,997	3,032,242
Individually evaluated for impairment	8,146,507	11,011,051
Collectively evaluated for impairment	262,640,494	239,794,330
Balance at end of period	270,787,001	250,805,381
Commercial, Financial And Agricultural [Member]
Beginning balance	144,781	299,850
Charge-offs	0	263,809
Recoveries	497	42,253
Net charge-offs	(497)	221,556
Provisions charged to operations	30,451	66,487
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	175,729	144,781
Balance at end of period	175,729	144,781
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	63,744,938	58,173,187
Balance at end of period	63,744,938	58,173,187
Construction Real Estate [Member]
Beginning balance	1,043,083	1,043,083
Charge-offs	0	0
Recoveries	0	0
Net charge-offs	0	0
Provisions charged to operations	0	0
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,043,083	1,043,083
Balance at end of period	1,043,083	1,043,083
Individually evaluated for impairment	971,135	1,012,831
Collectively evaluated for impairment	23,787,225	18,818,239
Balance at end of period	24,758,360	19,831,070
Commercial Real Estate [Member]
Beginning balance	1,192,098	1,192,098
Charge-offs	0	0
Recoveries	0	0
Net charge-offs	0	0
Provisions charged to operations	0	0
Individually evaluated for impairment	77,363	212,283
Collectively evaluated for impairment	1,114,735	979,815
Balance at end of period	1,192,098	1,192,098
Individually evaluated for impairment	3,159,428	5,414,491
Collectively evaluated for impairment	86,754,593	80,362,868
Balance at end of period	89,914,021	85,777,359
Residential Real Estate [Member]
Beginning balance	381,891	312,822
Charge-offs	0	33,238
Recoveries	10,173	22,047
Net charge-offs	(10,173)	11,191
Provisions charged to operations	1,446	80,260
Individually evaluated for impairment	82,690	91,831
Collectively evaluated for impairment	310,820	290,060
Balance at end of period	393,510	381,891
Individually evaluated for impairment	2,337,850	2,896,953
Collectively evaluated for impairment	70,138,307	65,072,166
Balance at end of period	72,476,157	67,969,119
Agricultural Real Estate [Member]
Beginning balance	86,656	86,656
Charge-offs	0	0
Recoveries	0	0
Net charge-offs	0	0
Provisions charged to operations	0	0
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	86,656	86,656
Balance at end of period	86,656	86,656
Individually evaluated for impairment	1,673,846	1,682,207
Collectively evaluated for impairment	14,445,421	13,938,059
Balance at end of period	16,119,267	15,620,266
Consumer And Other [Member]
Beginning balance	183,733	179,642
Charge-offs	8,426	22,153
Recoveries	1,511	31,691
Net charge-offs	6,915	(9,538)
Provisions charged to operations	(1,897)	(5,447)
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	174,921	183,733
Balance at end of period	174,921	183,733
Individually evaluated for impairment	4,248	4,569
Collectively evaluated for impairment	3,770,010	3,429,811
Balance at end of period	$ 3,774,258	$ 3,434,380