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Note 9 - Benefit Plans (Detail) - Pension Plans with Projected Benefit Obligation in Excess of Plan Assets (USD $)	Dec. 31, 2012	Dec. 31, 2011
Projected benefit obligation	$ 27,819,000	$ 23,897,000
Fair value of plan assets	(17,351,000)	(15,811,000)
	$ 10,468,000	$ 8,086,000

If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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- Definition

If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

+ References+ Details