Note 3 - Investment Securities (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Marketable Securities [Table Text Block]

(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
December 31, 2018:
Securities available for sale:
Agency mortgage-backed securities	$	94,746	$	–	$	3,489	$	91,257
Agency CMO		33,222		152		382		32,992
Other debt securities:
Agency notes and bonds		75,461		59		1,016		74,504
Municipal obligations		63,008		651		571		63,088
Total securities available for sale	$	266,437	$	862	$	5,458	$	261,841
December 31, 2017:
Securities available for sale:
Agency mortgage-backed securities	$	114,902	$	–	$	2,253	$	112,649
Agency CMO		15,660		1		338		15,323
Other debt securities:
Agency notes and bonds		70,013		–		985		69,028
Municipal obligations		73,303		1,274		405		74,172
Total securities available for sale	$	273,878	$	1,275	$	3,981	$	271,172
Securities held to maturity:
Agency mortgage-backed securities	$	1	$	–	$	–	$	1
Total securities held to maturity	$	1	$	–	$	–	$	1

Investments Classified by Contractual Maturity Date [Table Text Block]

	Securities Available for Sale
	Amortized Cost		Fair Value
(In thousands)
Due in one year or less	$	28,204	$	28,078
Due after one year through five years		58,319		57,485
Due after five years through ten years		34,062		33,890
Due after ten years		17,884		18,139
		138,469		137,592
Mortgage-backed securities and CMO		127,968		124,249
	$	266,437	$	261,841

Schedule of Unrealized Loss on Investments [Table Text Block]

(Dollars in thousands)	Number of Investment Positions		Gross Fair  Value		Unrealized Losses
December 31, 2018:
Continuous loss position less than twelve months:
Agency mortgage-backed securities		1	$	1,563	$	13
Agency CMO		4		2,870		1
Agency notes and bonds		1		499		1
Municipal obligations		11		3,552		12
Total less than twelve months		17		8,484		27
Continuous loss position more than twelve months:
Agency mortgage-backed securities		97		89,680		3,476
Agency CMO		24		12,168		381
Agency notes and bonds		22		67,927		1,015
Municipal obligations		49		25,316		559
Total more than twelve months		192		195,091		5,431
Total securities available for sale		209	$	203,575	$	5,458

(Dollars in thousands)	Number of Investment Positions		Gross Fair  Value		Unrealized Losses
December 31, 2017:
Continuous loss position less than twelve months:
Agency mortgage-backed securities		37	$	37,570	$	400
Agency CMO		6		3,036		38
Agency notes and bonds		4		11,119		69
Municipal obligations		20		10,955		83
Total less than twelve months		67		62,680		590
Continuous loss position more than twelve months:
Agency mortgage-backed securities		60		74,960		1,853
Agency CMO		18		11,801		300
Agency notes and bonds		19		57,909		916
Municipal obligations		29		14,667		322
Total more than twelve months		126		159,337		3,391
Total securities available for sale		193	$	222,017	$	3,981