(7) Stockholders' Equity

6 Months Ended

Jun. 30, 2013

Notes to Financial Statements

(7) Stockholders' Equity

Stock Repurchase Activity

At various times from October 2001 through February 2009, the Company’s Board of Directors authorized the repurchase of up to 14 million shares of the Company’s outstanding common stock in the aggregate.

During the six months ended June 30, 2013 and 2012, the Company did not repurchase any shares of its common stock. Since October 2001, the Company has repurchased a total of 8,005,235 shares of its common stock at an aggregate purchase price of $46,916,339.

Preferred Stock

The Company is authorized to issue two million shares of $0.001 par value preferred stock. No preferred stock has been issued or outstanding for any period presented. See Note 12 Subsequent Events for further information.