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

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Repurchase Agreements [Table Text Block]

	Three Months Ended			Twelve Months Ended
	March 31, 2017			December 31, 2016
Outstanding balance at end of period	$	126,679,000		$	131,710,000
Average interest rate at end of period		0.16	%		0.16	%
Average daily balance during the period	$	128,933,000		$	149,079,000
Average interest rate during the period		0.16	%		0.14	%
Maximum daily balance during the period	$	142,459,000		$	175,088,000