Note 10 - Securities Sold Under Agreements to Repurchase and Other Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2015

Securities Sold Under Agreements To Repurchase And Other Short Term Borrowings Disclosure [Abstract]

Schedule of Short-term Debt [Table Text Block]

(Dollars in thousands)	2015			2014
Average balance during the year	$	65,140		$	61,748
Average interest rate during the year		0.23	%		0.23	%
Maximum month-end balance during the year	$	82,467		$	69,559