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Note 21 - Employee Benefit Plan	12 Months Ended
Dec. 31, 2011
Compensation and Employee Benefit Plans [Text Block]	21. Employee Benefit Plan We maintain a deferred compensation plan covering all full-time employees. The plan allows participants to defer a portion of their compensation on a pre-tax basis pursuant to Section 401(k) of the Internal Revenue Code of 1986, as amended, up to an annual maximum for each employee set by the IRS. Our discretionary matching contribution expense for 2011, 2010 and 2009 was approximately $0, $0, and $117,000, respectively.

Note 21 - Employee Benefit Plan

12 Months Ended

Dec. 31, 2011

Compensation and Employee Benefit Plans [Text Block]

21. Employee Benefit Plan

We maintain a deferred compensation plan covering all full-time employees. The plan allows participants to defer a portion of their compensation on a pre-tax basis pursuant to Section 401(k) of the Internal Revenue Code of 1986, as amended, up to an annual maximum for each employee set by the IRS. Our discretionary matching contribution expense for 2011, 2010 and 2009 was approximately $0, $0, and $117,000, respectively.