Note 2 - Securities (Detail) - Amortized Cost and Fair Value of Securities by Contractual Maturity (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Amounts Maturing in:    
Less than One Year $ 4,496  
Less than One Year 4,547  
One to Five Years 2,457  
One to Five Years 2,642  
One to Five Years 1,106  
One to Five Years 1,194  
Five to Ten Years 4,795  
Five to Ten Years 5,217  
Five to Ten Years 10,320  
Five to Ten Years 11,210  
Over Ten Years 421  
Over Ten Years 458  
Over Ten Years 63,252  
Over Ten Years 65,913  
12,169  
12,864  
74,678 59,581
78,317  
Equity Securities 183  
Equity Securities 244  
Total 12,352 21,780
Total 13,108 22,750
Total 74,678 59,581
Total $ 78,317