Earnings Per Share - Earnings Per Share (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Net income	$ 440,000	$ 1,208,000	$ 2,710,000	$ 436,000	$ 689,000	$ 1,189,000	$ 2,543,000	$ 368,000	$ 4,793,525	$ 4,789,005
Weighted average shares outstanding									3,334,790	3,239,753
Effect of dilutive employee stock options									352,546	285,750
Denominator for dilutive earnings per share									3,687,336	3,525,504
Basic earnings per share	$ .12	$ .36	$ .82	$ .13	$ .21	$ .37	$ .79	$ .12	$ 1.44	$ 1.48
Dilutive earnings per share	$ .11	$ .33	$ .74	$ .12	$ .19	$ .34	$ .72	$ .11	$ 1.30	$ 1.36