Note 3. Marketable Securities
The Company’s marketable securities consisted of the following:
|
June 30, 2018 |
|
|
Amortized
Cost Basis |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Aggregate
Fair Value |
|
|
(in thousands) |
|
Marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Short-term |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market accounts |
$ |
206 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
206 |
|
Commercial paper |
|
895 |
|
|
|
— |
|
|
|
— |
|
|
|
895 |
|
United States Treasury |
|
899 |
|
|
|
— |
|
|
|
— |
|
|
|
899 |
|
Corporate debt securities |
|
25,237 |
|
|
|
1 |
|
|
|
(83 |
) |
|
|
25,155 |
|
Less: cash equivalents |
|
(206 |
) |
|
|
— |
|
|
|
— |
|
|
|
(206 |
) |
Total short-term marketable securities |
|
27,031 |
|
|
|
1 |
|
|
|
(83 |
) |
|
|
26,949 |
|
Corporate debt securities |
|
7,562 |
|
|
|
— |
|
|
|
(102 |
) |
|
|
7,460 |
|
Total long-term marketable securities |
|
7,562 |
|
|
|
— |
|
|
|
(102 |
) |
|
|
7,460 |
|
Total marketable securities |
$ |
34,593 |
|
|
$ |
1 |
|
|
$ |
(185 |
) |
|
$ |
34,409 |
|
|
December 31, 2017 |
|
|
Amortized
Cost Basis |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Aggregate
Fair Value |
|
|
(in thousands) |
|
Marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Short-term |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market accounts |
$ |
723 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
723 |
|
Corporate debt securities |
|
20,040 |
|
|
|
2 |
|
|
|
(48 |
) |
|
|
19,994 |
|
Less: cash equivalents |
|
(723 |
) |
|
|
— |
|
|
|
— |
|
|
|
(723 |
) |
Total short-term marketable securities |
|
20,040 |
|
|
|
2 |
|
|
|
(48 |
) |
|
|
19,994 |
|
Corporate debt securities |
|
14,999 |
|
|
|
— |
|
|
|
(116 |
) |
|
|
14,883 |
|
Total long-term marketable securities |
|
14,999 |
|
|
|
— |
|
|
|
(116 |
) |
|
|
14,883 |
|
Total marketable securities |
$ |
35,039 |
|
|
$ |
2 |
|
|
$ |
(164 |
) |
|
$ |
34,877 |
|
Management determined that the gross unrealized losses of $185,000 on the Company’s marketable securities as of June 30, 2018 were temporary in nature. Gross unrealized losses on the Company’s marketable securities were $164,000 as of December 31, 2017. The Company currently does not intend to sell these securities prior to maturity and does not consider these investments to be other-than-temporarily impaired as of June 30, 2018.
|