Summary of Marketable Securities |
The Company’s marketable securities consisted of the following:
|
September 30, 2018 |
|
|
Amortized
Cost Basis |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Aggregate
Fair Value |
|
|
(in thousands) |
|
Marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Short-term |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market accounts |
$ |
4,726 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
4,726 |
|
Commercial paper |
|
899 |
|
|
|
— |
|
|
|
— |
|
|
|
899 |
|
Corporate debt securities |
|
23,291 |
|
|
|
2 |
|
|
|
(78 |
) |
|
|
23,215 |
|
Less: cash equivalents |
|
(4,726 |
) |
|
|
— |
|
|
|
— |
|
|
|
(4,726 |
) |
Total short-term marketable securities |
|
24,190 |
|
|
|
2 |
|
|
|
(78 |
) |
|
|
24,114 |
|
Corporate debt securities |
|
4,295 |
|
|
|
— |
|
|
|
(45 |
) |
|
|
4,250 |
|
Total long-term marketable securities |
|
4,295 |
|
|
|
— |
|
|
|
(45 |
) |
|
|
4,250 |
|
Total marketable securities |
$ |
28,485 |
|
|
$ |
2 |
|
|
$ |
(123 |
) |
|
$ |
28,364 |
|
|
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 |
|
|