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Note 16 - Benefit Plans (Details) - Weighted Average Assumptions Used to Determine Benefit Obligations
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12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Weighted average assumptions used to determine benefit obligations at end of year | ||||
| Discount Rate | 4.36% | 3.47% | ||
| Long-Term Rate of Return | 7.25% | 7.25% | 7.25% | 7.25% |