Consolidated Statements of Comprehensive Income (unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Consolidated Statements of Comprehensive Income (unaudited) [Abstract]
Net income	$ 577,966	$ 1,028,186	$ 1,331,955	$ 2,381,270
Other comprehensive income (loss)	0	0	0	0
Comprehensive income	$ 577,966	$ 1,028,186	$ 1,331,955	$ 2,381,270