Shareholder Rights Plan

12 Months Ended

Dec. 31, 2011

Shareholder Rights Plan Disclosure [Abstract]

Shareholder Rights Plan

Note 15.  Shareholder Rights Plan

On November 9, 2007, the Company's board of directors adopted a shareholder rights plan and declared a dividend distribution of one Right for each outstanding share of our common stock to shareholders of record on the close of business on November 23, 2007. Each Right is nominally exercisable, upon the occurrence of certain events, for one one-thousandth of a share of Series A Junior Participating Preferred Stock, par value $.01 per share, at a purchase price of $125.00 per unit, subject to adjustment.