CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Tax on unrealized gain on securities	$ (472,977)	$ 31,100	$ (72,425)	$ 101,063
Tax on reclassification adjustment for gains included in income	$ 56,643	$ 51,370	$ 97,829	$ 82,782