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Note 2 - Investment Securities
9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Note
2.
Investment Securities
 
The amortized cost and fair value of available-for-sale securities as of
September 30, 2018
and
December 31, 2017,
are as follows:
 
(Dollars In Thousands)
 
September 30, 2018
 
   
Amortized
Cost
   
Gross
Unrealized
Gains
   
Gross
Unrealized
Losses
   
Fair
Value
 
U. S. Government agency securities
  $
11,130
    $
9
    $
(339
)
  $
10,800
 
Mortgage-backed securities and CMO’s
   
20,279
     
-
     
(954
)
   
19,325
 
Corporate securities
   
6,641
     
21
     
(74
)
   
6,588
 
Municipal securities
   
9,120
     
64
     
(193
)
   
8,991
 
    $
47,170
    $
94
    $
(1,560
)
  $
45,704
 
 
(Dollars In Thousands)
 
December 31, 2017
 
   
Amortized
Cost
   
Gross
Unrealized
Gains
   
Gross
Unrealized
Losses
   
Fair
Value
 
U. S. Government agency securities
  $
13,475
    $
61
    $
(101
)
  $
13,435
 
Mortgage-backed securities and CMO’s
   
24,344
     
12
     
(375
)
   
23,981
 
Corporate securities
   
6,991
     
118
     
(42
)
   
7,067
 
Municipal securities
   
10,713
     
213
     
(65
)
   
10,861
 
    $
55,523
    $
404
    $
(583
)
  $
55,344
 
   
 
U. S. Government agency securities:
The unrealized losses on
thirty-two
 of the Company’s investments in obligations of the U. S. government were caused by increases in market interest rates over the yields available at the time the securities were purchased.  The contractual terms of those investments do
not
permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does
not
intend to sell the investments before recovery of their amortized cost basis which
may
be maturity, the Company does
not
consider those investments to be other-than-temporarily impaired at
September 30, 2018.
 
Mortgage-backed securities and CMO’s:
The unrealized losses on
thirty-seven
of the Company’s investments in government-sponsored entity mortgage-backed securities and collateralized mortgage obligations (“CMOs”) were caused by increases in market interest rates over the yields available at the time the securities were purchased. Because the decline in market value is attributable to changes in interest rates and
not
credit quality, and because the Company does
not
intend to sell the investments before recovery of their amortized cost basis, which
may
be maturity, the Company does
not
consider those investments to be other-than-temporarily impaired at
September 30, 2018.
 
Corporate securities:
The unrealized losses on
five
of the Company’s investments in corporate securities were caused by increases in market interest rates over the yields available at the time the securities were purchased.  Because the decline in market value is attributable to changes in interest rates and
not
credit quality, the Company does
not
consider those investments to be other-than-temporarily impaired at
September 30, 2018.
 
Municipal securities:
The unrealized losses on
ten
of the Company’s investments in municipal securities were caused by increases in market interest rates over the yields available at the time the securities were purchased. All municipal securities are investment grade. Because the decline in market value is attributable to changes in interest rates, credit spreads, and
not
credit quality, and because the Company does
not
intend to sell the investments before recovery of their amortized cost basis, which
may
be maturity, the Company does
not
consider those investments to be other-than-temporarily impaired at
September 30, 2018.
 
 
The following tables demonstrate the unrealized loss position of available-for-sale securities at
September 30, 2018
and
December 31, 2017.
This information summarizes the amount of time individual securities have been in a continuous, unrealized loss position.
 
   
September 30, 2018
 
   
Less than 12 months
   
12 months or more
   
Total
 
(Dollars In Thousands)
 
Fair
Value
   
Unrealized
Loss
   
Fair
Value
   
Unrealized
Loss
   
Fair
Value
   
Unrealized
Loss
 
U. S. Government agency securities
  $
3,717
    $
(76
)
  $
6,330
    $
(263
)
  $
10,047
    $
(339
)
Mortgage-backed securities and CMO’s
   
4,567
     
(211
)
   
14,758
     
(743
)
   
19,325
     
(954
)
Corporate securities
   
1,661
     
(38
)
   
1,446
     
(36
)
   
3,107
     
(74
)
Municipal securities
   
1,781
     
(36
)
   
2,670
     
(157
)
   
4,451
     
(193
)
    $
11,726
    $
(361
)
  $
25,204
    $
(1,199
)
  $
36,930
    $
(1,560
)
 
   
December 31, 2017
 
   
Less than 12 months
   
12 months or more
   
Total
 
(Dollars In Thousands)
 
Fair
Value
   
Unrealized
Loss
   
Fair
Value
   
Unrealized
Loss
   
Fair
Value
   
Unrealized
Loss
 
U.S. Government agency securities
  $
6,859
    $
(44
)
  $
2,995
    $
(57
)
  $
9,854
    $
(101
)
Mortgage-backed securities and CMO’s
   
15,624
     
(192
)
   
7,386
     
(183
)
   
23,010
     
(375
)
Corporate securities
   
1,438
     
(42
)
   
-
     
-
     
1,438
     
(42
)
Municipal securities
   
453
     
(3
)
   
2,332
     
(62
)
   
2,785
     
(65
)
    $
24,374
    $
(281
)
  $
12,713
    $
(302
)
  $
37,087
    $
(583
)
 
There are
84
debt securities with fair values totaling
$36.9
million considered temporarily impaired at
September 30, 2018.  
As of
September 30, 2018,
the Company does
not
consider any bond in an unrealized loss position to be other-than-temporarily impaired.
 
The Company realized gains of
$69
thousand and
$9
thousand of losses on sales of securities in the
first
nine
months of
2018.
The Company realized gains of
$165
thousand and
$105
thousand of losses during the same period last year.
 
The amortized cost and fair values of investment securities available for sale at
September 30, 2018,
by contractual maturity are as follows:
 
(Dollars In Thousands)
 
Amortized
Cost
   
Fair
Value
 
One year or less
  $
250
    $
248
 
Over one through five years
   
2,462
     
2,401
 
Over five through ten years
   
14,010
     
13,797
 
Greater than 10 years
   
30,448
     
29,258
 
    $
47,170
    $
45,704