Organization and Summary of Significant Accounting Policies (Details 2) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reconciliation of basic and diluted net income per share
Net income available to common stockholders for basic and diluted net income per share of common stock	$ 904,131	$ 2,699,741	$ 3,373,135	$ 7,314,003
Weighted average common stock outstanding - basic and diluted	3,943,725	3,859,986	3,939,486	3,666,543
Net income per common share - basic and diluted	$ 0.23	$ 0.70	$ 0.86	$ 1.99