Investment Securities (Tables)

3 Months Ended

Mar. 31, 2018

Investment Securities [Abstract]

Summary of amortized costs and fair value of investment securities

	March 31, 2018
	Amortized		Gross Unrealized		Fair
(dollars in thousands)	Cost		Gains	Losses	Value
Available for sale
US government agencies	$	7,743	1	214	7,530
SBA securities		3,925	-	100	3,825
State and political subdivisions		6,388	54	94	6,348
Mortgage-backed securities
FHLMC		8,771	-	295	8,476
FNMA		27,798	2	702	27,098
GNMA		5,377	1	149	5,229
Total mortgage-backed securities		41,946	3	1,146	40,803
Total investment securities available for sale	$	60,002	58	1,554	58,506

	December 31, 2017
	Amortized		Gross Unrealized		Fair
(dollars in thousands)	Cost		Gains	Losses	Value
Available for sale
US government agencies	$	8,749	1	97	8,653
SBA securities		4,087	-	24	4,063
State and political subdivisions		11,242	179	25	11,396
Mortgage-backed securities
FHLMC		9,102	-	149	8,953
FNMA		29,383	3	386	29,000
GNMA		5,618	2	82	5,538
Total mortgage-backed securities		44,103	5	617	43,491
Total	$	68,181	185	763	67,603

Summary of fair values investment securities available for contractual maturities

	March 31, 2018
	Less than one year				One to five years			Five to ten years			Over ten years			Total
(dollars in thousands)	Amount		Yield		Amount	Yield		Amount	Yield		Amount	Yield		Amount	Yield
Available for sale
US government agencies	$	-	-		2,655	2.12	%	4,875	2.48	%	-	-		7,530	2.35	%
SBA securities		-	-		-	-		-	-		3,825	2.53	%	3,825	2.53	%
State and political subdivisions		-	-		521	2.14	%	4,523	3.11	%	1,304	2.63	%	6,348	2.93	%
Mortgage-backed securities		282	0.52	%	795	1.81	%	11,587	1.87	%	28,139	2.17	%	40,803	2.06	%
Total	$	282	0.52	%	3,971	2.06	%	20,985	2.28	%	33,268	2.23	%	58,506	2.22	%
	December 31, 2017
	Less than one year				One to five years			Five to ten years			Over ten years			Total
(dollars in thousands)	Amount		Yield		Amount	Yield		Amount	Yield		Amount	Yield		Amount	Yield
Available for sale
US government agencies	$	995	1.15	%	1,503	2.04	%	6,155	2.40	%	-	-		8,653	2.20	%
SBA securities		-	-		-	-		-	-		4,063	2.45	%	4,063	2.45	%
State and political subdivisions		-	-		1,163	1.96	%	7,162	2.84	%	3,071	2.76	%	11,396	2.73	%
Mortgage-backed securities		432	0.99	%	-	-		11,328	1.84	%	31,731	2.06	%	43,491	1.99	%
Total	$	1,427	1.10	%	2,666	1.59	%	24,645	2.27	%	38,865	2.15	%	67,603	2.17	%

Summary of gross unrealized losses on investment securities and fair market value of related securities

	March 31, 2018
	Less than 12 months					12 months or longer					Total
		Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(dollars in thousands)	#	value		losses		#	value		losses		#	value		losses
Available for sale
US government agencies	5	$	4,121	$	85	3	$	2,908	$	129	8	$	7,029	$	214
SBA securities	1		2,781		84	1		1,044		16	2		3,825		100
State and political subdivisions	6		2,618		57	2		769		37	8		3,387		94
Mortgage-backed securities
FHLMC	3		2,740		75	7		5,736		220	10		8,476		295
FNMA	11		13,412		314	13		13,639		388	24		27,051		702
GNMA	3		4,393		92	1		816		57	4		5,209		149
Total	29	$	30,065	$	707	27	$	24,912	$	847	56	$	54,977	$	1,554
	December 31, 2017
	Less than 12 months					12 months or longer					Total
		Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(dollars in thousands)	#	value		losses		#	value		losses		#	value		losses
Available for sale
US government agencies	5	$	4,184	$	22	4	$	3,968	$	75	9	$	8,152	$	97
SBA securities	1		2,936		13	1		1,127		11	2		4,063		24
State and political subdivisions	3		1,214		9	2		792		16	5		2,006		25
Mortgage-backed securities
FHLMC	3		2,897		26	7		6,056		123	10		8,953		149
FNMA	11		14,345		135	13		14,597		251	24		28,942		386
GNMA	2		2,270		40	1		971		42	3		3,241		82
Total	25	$	27,846	$	245	28	$	27,511	$	518	53	$	55,357	$	763

Summary of other investments

(dollars in thousands)	March 31, 2018		December 31, 2017
Federal Home Loan Bank stock	$	2,524	3,754
Investment in Trust Preferred securities		403	403
Other investments		129	305
Total other investments	$	3,056	4,462