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Note 7 - Supplemental Disclosures of Cash Flow Information (Tables)
 9 Months Ended
Sep. 30, 2015
Supplemental Cash Flow Elements [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
    Nine Months Ended
September 30,
    2015   2014
    (In thousands)
Cash payments for:                
Interest   $ 740     $ 912  
Taxes     1,035       1,819  
                 
Noncash investing activities:                
Transfers from loans to real estate acquired through foreclosure     605       188