Organization and Summary of Significant Accounting Policies (Details 2) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Summary of 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	$ 2,130,736	$ 2,355,102	$ 6,075,889	$ 3,729,267
Weighted average common stock outstanding - basic	3,479,646	2,667,017	3,112,148	2,469,818
Effect of dilutive securities:
Series A convertible preferred stock				137,783
Warrants				10,197
Weighted average common stock outstanding - diluted	3,479,646	2,667,017	3,112,148	2,617,798
Net income per common share - basic	$ 0.61	$ 0.88	$ 1.95	$ 1.51
Net income per common share - diluted	$ 0.61	$ 0.88	$ 1.95	$ 1.42