Note 6 - Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

(Dollars in thousands)	Unrealized gains on available-for-sale securities (a)
Balance as of December 31, 2017	$	1,091
Other comprehensive (loss) before reclassification		(1,510	)
Change in accounting principle, ASC 2016-01 (b)		(141	)
Change in accounting principle, ASC 2018-02 (b)		187
Period change		(1,464	)
Balance at March 31, 2018	$	(373	)

(Dollars in thousands)	Unrealized gains on available-for-sale securities (a)
Balance as of December 31, 2016	$	1,201
Other comprehensive income before reclassification		153
Amount reclassified from accumulated other comprehensive income		(322	)
Period change		(169	)
Balance at March 31, 2017	$	1,032

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

	Amounts Reclassified from Accumulated Other Comprehensive					Affected Line Item in
	Income					the Statement Where
(Dollars in thousands)	For the Three Months Ended					Net Income is
Details about other comprehensive income	March 31, 2018		March 31, 2017			Presented
Unrealized gains on available-for-sale securities (a)	$	-	$	488		Investment securities gains on sale, net
		-		(166	)	Income taxes
	$	-	$	322