Earnings per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Basic earnings per share computation:
Net income available to common stockholders	$ 4,776,808	$ 1,389,712
Average common shares outstanding - basic	5,838,574	3,985,202
Basic earnings per share (in dollars per share)	$ 0.82	$ 0.35
Diluted earnings per share computation:
Net income available to common stockholders	$ 4,777,000	$ 1,390,000
Average common shares outstanding - basic	5,838,574	3,985,202
Incremental shares from assumed conversions:
Stock options	280,369	296,307
Average common shares outstanding - diluted	6,118,943	4,281,509
Diluted earnings per share (in dollars per share)	$ 0.78	$ 0.32