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Note 14 - Shareholders' Equity (Details) - Changes in Accumulated Other Comprehensive Loss by Component - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Changes in Accumulated Other Comprehensive Loss by Component [Abstract]    
Net unrealized loss on investment securities available for sale $ (209) $ (819)
Net unrealized defined benefit pension plan actuarial loss (9,084) (9,084)
Total accumulated other comprehensive loss, net of tax $ (9,293) $ (9,903)