Retirement savings plan - Note 16	12 Months Ended
Dec. 31, 2011
Notes to Financial Statements
Retirement savings plan	16. Retirement savings plan We have a retirement savings plan that qualifies under Internal Revenue Code Section 401(k). The plan covers all qualified employees. Contributions to the plan by the Company are made at the discretion of the Board of Directors. Under the plan, we match 50% of employee contributions to the plan up to 6% of the employee's per pay period compensation. During 2011, 2010, and 2009 we contributed $242,000, $349,000, and $369,000, respectively, to the plan under the matching program.

- Definition

The entire disclosure for postemployment benefits, which may include supplemental unemployment benefits, obligations recognized for all types of benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. Disclosure may also include discussion that an obligation for postemployment benefits is not accrued in accordance with regulation only because the amount cannot be reasonably estimated.

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