Loans and Allowance for Loan Losses - Schedule of Allowance for Loan Losses Methodology (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Beginning balance	$ 3,032,242	$ 3,114,151	$ 3,077,561
Charge-offs	116,006	319,200	341,377
Recoveries	48,375	95,991	47,967
Net charge-offs	67,631	223,209
Provisions charged to operations	160,000	141,300	330,000
Individually evaluated for impairment	549,429	304,114
Collectively evaluated for impairment	2,575,182	2,728,128
Balance at end of period	3,124,611	3,032,242	3,114,151
Individually evaluated for impairment	8,071,512	11,011,051
Collectively evaluated for impairment	284,471,619	239,794,330
Balance at end of period	292,543,131	250,805,381
Commercial, Financial And Agricultural [Member]
Beginning balance	144,781	299,850
Charge-offs	103,387	263,809
Recoveries	28,303	42,253
Net charge-offs	75,084	221,556
Provisions charged to operations	121,570	66,487
Individually evaluated for impairment	12,021	0
Collectively evaluated for impairment	179,246	144,781
Balance at end of period	191,267	144,781	299,850
Individually evaluated for impairment	102,086	0
Collectively evaluated for impairment	70,897,337	58,173,187
Balance at end of period	70,999,423	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	1,043,083
Individually evaluated for impairment	126,215	1,012,831
Collectively evaluated for impairment	25,873,080	18,818,239
Balance at end of period	25,999,295	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	245,472	212,283
Collectively evaluated for impairment	946,626	979,815
Balance at end of period	1,192,098	1,192,098	1,192,098
Individually evaluated for impairment	4,496,700	5,414,491
Collectively evaluated for impairment	87,236,112	80,362,868
Balance at end of period	91,732,812	85,777,359
Residential Real Estate [Member]
Beginning balance	381,891	312,822
Charge-offs	3,394	33,238
Recoveries	16,994	22,047
Net charge-offs	(13,600)	11,191
Provisions charged to operations	24,698	80,260
Individually evaluated for impairment	291,936	91,831
Collectively evaluated for impairment	128,253	290,060
Balance at end of period	420,189	381,891	312,822
Individually evaluated for impairment	2,281,439	2,896,953
Collectively evaluated for impairment	80,989,544	65,072,166
Balance at end of period	83,270,983	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	86,656
Individually evaluated for impairment	1,061,826	1,682,207
Collectively evaluated for impairment	15,518,300	13,938,059
Balance at end of period	16,580,126	15,620,266
Consumer And Other [Member]
Beginning balance	183,733	179,642
Charge-offs	9,225	22,153
Recoveries	3,078	31,691
Net charge-offs	6,147	(9,538)
Provisions charged to operations	13,732	(5,447)
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	191,318	183,733
Balance at end of period	191,318	183,733	$ 179,642
Individually evaluated for impairment	3,246	4,569
Collectively evaluated for impairment	3,957,246	3,429,811
Balance at end of period	$ 3,960,492	$ 3,434,380