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Rights Plan
 12 Months Ended
Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block]

(10) Rights Plan

In February 2003, the Company’s Board of Directors adopted a Stockholders’ Rights Plan (the “Rights Plan”) and declared a dividend distribution of one right (a “Right”) for each outstanding share of Company common stock to stockholders of record at the close of business on March 3, 2003. Subject to certain exceptions listed in the Rights Plan, if a person or group has acquired beneficial ownership of, or commences a tender or exchange offer for, 15% or more of the Company’s common stock, unless redeemed by the Company’s Board of Directors, each Right entitles the holder (other than the acquiring person) to purchase from the Company $120 worth of common stock for $60. If the Company is merged into, or 50% or more of its assets or earning power is sold to, the acquiring company, the Rights will also enable the holder (other than the acquiring person) to purchase $120 worth of common stock of the acquiring company for $60. The Rights will expire at the close of business on February 18, 2013, unless the Rights Plan is extended by the Company’s Board of Directors or unless the Rights are earlier redeemed by the Company at a price of $.0001 per Right. The Rights are not exercisable during the time when they are redeemable by the Company.