Income Per Common Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
NUMERATOR
Net income	$ 1,253,438	$ 1,109,927	$ 2,458,397	$ 2,065,725
Basic income available to common shareholders	1,253,438	1,109,927	2,458,397	2,065,725
Diluted income available to common shareholders	$ 1,253,438	$ 1,109,927	$ 2,458,397	$ 2,065,725
DENOMINATOR
Basic income available to common shareholders (in shares)	4,464,368	4,461,388	4,462,886	4,461,388
Effect of dilutive options (in shares)	116,382	122,445	119,518	122,920
Diluted income available to common shareholders (in shares)	4,580,750	4,583,833	4,582,404	4,584,308
Earning per share Basic and Diluted
Basic income available to common shareholders (in dollars per share)	$ 0.28	$ 0.25	$ 0.55	$ 0.46
Diluted income available to common shareholders (in dollars per share)	$ 0.27	$ 0.24	$ 0.54	$ 0.45