Note 7 - Federal Funds Purchased and Other Short-term Borrowings (Details) - Federal Funds Purchased and Other Short-Term Borrowings (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Federal Funds Purchased and Other Short-Term Borrowings [Abstract]
Federal funds purchased and securities sold under agreement to repurchase	$ 29,123	$ 24,083
Total short-term	29,123	24,083
Average balance during the year	29,440	26,134
Maximum month-end balance during the year	$ 32,885	$ 31,632
Average interest rate during the year	0.25%	0.37%
Average interest rate at year-end	0.25%	0.29%