Note 9 - Securities Sold Under Agreements to Repurchase (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block [Abstract]

Schedule of Repurchase Agreements [Table Text Block]

	2014			2013
Outstanding balance at year-end	$	167,569,000		$	69,305,000
Weighted average interest rate at year-end		0.11	%		0.12	%
Average daily balance during the year	$	105,474,000		$	65,939,000
Weighted average interest rate during the year		0.12	%		0.12	%
Maximum daily balance during the year	$	178,042,000		$	78,960,000