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Investment in Available-for-Sale Securities
12 Months Ended
Dec. 31, 2014
Available-For-Sale Securities [Abstract]  
Available For Sale Securities Disclosure [Text Block]
4.  Investment in Available-for-Sale Securities
 
The following is a summary of the Company’s investments in available-for-sale securities as of December 31, 2014:
 
 
 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair Value
 
U.S. federal agency securities
 
$
49,739
 
$
68
 
$
(117)
 
$
49,690
 
Municipal securities
 
 
441,372
 
 
463
 
 
(966)
 
 
440,869
 
Certificates of deposit
 
 
1,395,990
 
 
22,904
 
 
(14,861)
 
 
1,404,033
 
Corporate debt securities
 
 
37,911
 
 
298
 
 
-
 
 
38,209
 
 
 
$
1,925,012
 
$
23,733
 
$
(15,944)
 
$
1,932,801
 
 
The following is a summary of the Company’s investments in available-for-sale securities as of December 31, 2013: 
 
 
 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair Value
 
U.S. federal agency securities
 
$
90,549
 
$
93
 
$
(277)
 
$
90,365
 
Municipal securities
 
 
735,826
 
 
2,175
 
 
(6)
 
 
737,995
 
Certificates of deposit
 
 
1,539,377
 
 
12,281
 
 
(19,398)
 
 
1,532,260
 
Corporate debt securities
 
 
174,738
 
 
275
 
 
(9,091)
 
 
165,922
 
 
 
$
2,540,490
 
$
14,824
 
$
(28,772)
 
$
2,526,542
 
 
The Company’s investment portfolio had a net realized loss of $12,381 and a net  realized gain of $8,507 for the years ended December 31, 2014 and 2013, respectively.  The Company’s investment portfolio has thirty-five positions with an unrealized loss as of December 31, 2014.
 
The cost and fair value of investments in fixed income available-for-sale debt securities, by contractual maturity, as of December 31, 2014, are as follows:
 
 
 
Cost
 
Fair
Value
 
Due within one year
 
$
712,919
 
$
714,084
 
Due after one year through three years
 
 
892,901
 
 
899,126
 
Due after three years
 
 
319,192
 
 
319,591
 
 
 
$
1,925,012
 
$
1,932,801
 
 
Expected maturities will differ from contractual maturities because the issuers of certain debt securities have the right to call or prepay their obligations without any penalties.  The Company has classified the entire fair value of its investment in available-for-sale debt securities as current assets in the accompanying balance sheets