INCOME PER COMMON SHARE (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Net income	$ 1,806,194	$ 1,778,153	$ 1,726,357	$ 1,612,230	$ 848,699	$ 1,440,653	$ 1,386,385	$ 1,226,088	$ 6,922,934	$ 4,901,825	$ 5,247,063
Weighted average shares outstanding									5,500,027	5,471,001	5,428,884
Effect of dilutive shares									88,985	97,492	132,855
Weighted average shares outstanding - diluted									5,589,012	5,568,493	5,561,739
Earnings per share - basic	$ 0.33	$ 0.32	$ 0.31	$ 0.29	$ 0.15	$ 0.26	$ 0.25	$ 0.22	$ 1.26	$ 0.90	$ 0.97
Earnings per share - diluted	$ 0.32	$ 0.32	$ 0.31	$ 0.29	$ 0.15	$ 0.26	$ 0.25	$ 0.22	$ 1.24	$ 0.88	$ 0.94