Shareholders' Equity

3 Months Ended

Mar. 31, 2012

Shareholders' Equity [Abstract]

Shareholders' Equity [Text Block]

6. Shareholders' Equity

During the three months ended March 31, 2012, the Company repurchased 410,000 shares of common stock for an aggregate price of $15.4 million. The Company did not repurchase any shares of its common stock during the three months ended March 31, 2011.