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Note 11 - Benfit Plans (Detail) - Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Discount rate	4.61%	5.61%
Expected long-term return on plan assets	7.50%	7.50%
Rate of compensation increase		2.00%
Weighted-average assumptions used to determine pension benefit obligation as of December 31:
Discount rate	4.03%	4.61%
Rate of compensation increase		2.00%

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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