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Note 7 - Supplemental Disclosures of Cash Flow Information (Tables)
 3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
  Three Months Ended
    March 31
,
   
2016
  
2015
    (
In thousands
)
Cash payments for:                
Interest   $ 515     $ 246  
Taxes     0       0  
                 
Noncash investing activities:                
Transfers from loans to real estate acquired through foreclosure     366       480