Income Per Common Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net income	$ 1,726,357	$ 1,386,385	$ 3,338,587	$ 2,612,473
Weighted average shares outstanding	5,492,896	5,464,697	5,339,187	5,461,603
Effect of dilutive shares	93,689	123,990	94,173	122,770
Weighted average shares outstanding - diluted	5,586,585	5,588,687	5,433,360	5,584,373
Earnings per share - basic	$ 0.31	$ 0.25	$ 0.63	$ 0.48
Earnings per share - diluted	$ 0.31	$ 0.25	$ 0.61	$ 0.47