Schedule of Amortized Cost and Fair Value of Marketable Securities, Available-for-Sale, by Type of Security |
Amortized cost and fair value of marketable securities,
available-for-sale, by type of security consisted of the following
(in thousands):
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June 30, 2015 |
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|
December 31, 2014 |
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|
Amortized
Cost |
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|
Gross
Unrealized
Gains |
|
|
Gross
Unrealized
Losses |
|
|
Fair
Value
|
|
|
Amortized
Cost |
|
|
Gross
Unrealized
Gains |
|
|
Gross
Unrealized
Losses |
|
|
Fair
Value
|
|
Short-term investments:
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U.S. Treasuries
|
|
$ |
31,946 |
|
|
$ |
2 |
|
|
$ |
(4 |
) |
|
$ |
31,944 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
U.S. Government Sponsored Entities
|
|
|
19,125 |
|
|
|
2 |
|
|
|
(1 |
) |
|
|
19,126 |
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|
|
— |
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|
— |
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|
|
— |
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|
— |
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|
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|
|
|
|
|
|
|
$ |
51,071 |
|
|
$ |
4 |
|
|
$ |
(5 |
) |
|
$ |
51,070 |
|
|
$ |
— |
|
|
$ |
— |
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|
$ |
— |
|
|
|
— |
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Long-term investments:
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|
|
|
|
|
U.S. Treasuries
|
|
$ |
12,597 |
|
|
$ |
7 |
|
|
$ |
(108 |
) |
|
$ |
12,496 |
|
|
$ |
2,974 |
|
|
$ |
7 |
|
|
$ |
— |
|
|
$ |
2,981 |
|
U.S. Government Sponsored Entities
|
|
|
11,837 |
|
|
|
2 |
|
|
|
(38 |
) |
|
|
11,801 |
|
|
|
2,019 |
|
|
|
— |
|
|
|
(3 |
) |
|
|
2,016 |
|
Corporate debt securities
|
|
|
17,229 |
|
|
|
12 |
|
|
|
(295 |
) |
|
|
16,946 |
|
|
|
7,442 |
|
|
|
48 |
|
|
|
(12 |
) |
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|
7,478 |
|
Asset-backed securities and other
|
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|
10,600 |
|
|
|
9 |
|
|
|
(58 |
) |
|
|
10,551 |
|
|
|
2,277 |
|
|
|
4 |
|
|
|
(4 |
) |
|
|
2,277 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
52,263 |
|
|
$ |
30 |
|
|
$ |
(499 |
) |
|
$ |
51,794 |
|
|
$ |
14,712 |
|
|
$ |
59 |
|
|
$ |
(19 |
) |
|
$ |
14,752 |
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Schedule of Amortized Cost and Fair Value of Marketable Securities, Available-for-Sale, by Contractual Maturity |
Amortized cost and fair value of marketable securities,
available-for-sale, by contractual maturity consisted of the
following (dollars in thousands):
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
June 30, 2015 |
|
|
December 31, 2014 |
|
|
|
Amortized
Cost |
|
|
Fair
Value
|
|
|
Amortized
Cost |
|
|
Fair
Value |
|
Due in one year or less
|
|
$ |
51,071 |
|
|
$ |
51,070 |
|
|
$ |
— |
|
|
$ |
— |
|
Due after one year through five years
|
|
|
24,696 |
|
|
|
24,694 |
|
|
|
4,679 |
|
|
|
4,679 |
|
Due after five years through ten years
|
|
|
18,521 |
|
|
|
18,140 |
|
|
|
5,652 |
|
|
|
5,662 |
|
Due after ten years
|
|
|
9,046 |
|
|
|
8,960 |
|
|
|
4,381 |
|
|
|
4,411 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
103,334 |
|
|
$ |
102,864 |
|
|
$ |
14,712 |
|
|
$ |
14,752 |
|
|
|
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|
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|
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|
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|
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|
|
Weighted average maturity
|
|
|
4.4 years |
|
|
|
|
|
|
|
9.6 years |
|
|
|
|
|