INCOME TAXES (Details 1) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current income tax
Federal									$ 2,538,272	$ 2,438,687	$ 2,102,154
State											224,083
Total current tax expense									2,538,272	2,438,687	2,326,237
Deferred income tax (benefit) expense									276,362	(750,254)	(38,989)
Total income tax expense	$ 1,208,507	$ 543,098	$ 516,734	$ 546,295	$ 203,444	$ 399,656	$ 518,262	$ 567,071	$ 2,814,634	$ 1,688,433	$ 2,287,248