Consolidated Statements of Comprehensive (Loss) Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 1,688,140	$ 1,783,453	$ 3,460,527	$ 3,220,778
Securities available-for-sale
Unrealized holding (losses) gains	(1,245,076)	6,111,996	(10,661,302)	10,516,085
Income tax effect	310,646	(2,279,774)	2,659,994	(3,922,499)
Net unrealized gains	(934,430)	3,832,222	(8,001,308)	6,593,586
Reclassification adjustment for gains included in net income	3,026	89,096	11,047	89,096
Income tax effect	(755)	(33,233)	(2,756)	(33,233)
Net gains included in net income	2,271	55,863	8,291	55,863
Total other comprehensive (loss) income	(932,159)	3,888,085	(7,993,017)	6,649,449
Comprehensive income (loss)	$ 755,981	$ 5,671,538	$ (4,532,490)	$ 9,870,227