Note 6 - Securities Sold Under Agreements to Repurchase (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Repurchase Agreements [Table Text Block]

	Six Months Ended June 30, 2016			Twelve Months Ended December 31, 2015
Outstanding balance at end of period	$	136,690,000		$	154,771,000
Average interest rate at end of period		0.14	%		0.11	%
Average daily balance during the period	$	153,578,000		$	146,826,000
Average interest rate during the period		0.12	%		0.11	%
Maximum daily balance during the period	$	175,088,000		$	168,211,000