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Defined Contribution Plans
12 Months Ended
Dec. 31, 2011
Defined Contribution Plans

(13)    Defined Contribution Plans

The Company sponsored a defined contribution plan for certain of its employees and makes available a 401(k) plan for its U.S. employees to which it made contributions in prior years. Contributions made by the Company for the years ended December 31, 2011, 2010 and 2009 amounted to $-0-, $21,000, and $306,000, respectively.